Home / 64,555.08-89,085.66-36,260.76

Finding the Fourth Proportional to 64,555.08, 89,085.66 and 36,260.76

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Solution

The fourth proportional to 64,555.08, 89,085.66 and 36,260.76 is: 50,039.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,555.08 : 89,085.66 = 36,260.76 : x
  2. Step 2: Convert to fraction form
    64,555.08/89,085.66 = 36,260.76/x
  3. Step 3: Cross multiply
    64,555.08x = 89,085.66 × 36,260.76
  4. Step 4: Simplify right side
    64,555.08x = 3,230,313,736.70
  5. Step 5: Solve for x
    x = 3,230,313,736.70/64,555.08
  6. Step 6: Final answer
    x = 50,039.65

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Half scale
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Double scale
Find fourth proportional to 64,556.08, 89,087.04 and 36,261.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.