Home / 64,505.03-89,016.93-36,210.69

Finding the Fourth Proportional to 64,505.03, 89,016.93 and 36,210.69

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Solution

The fourth proportional to 64,505.03, 89,016.93 and 36,210.69 is: 49,970.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,505.03 : 89,016.93 = 36,210.69 : x
  2. Step 2: Convert to fraction form
    64,505.03/89,016.93 = 36,210.69/x
  3. Step 3: Cross multiply
    64,505.03x = 89,016.93 × 36,210.69
  4. Step 4: Simplify right side
    64,505.03x = 3,223,364,456.98
  5. Step 5: Solve for x
    x = 3,223,364,456.98/64,505.03
  6. Step 6: Final answer
    x = 49,970.75

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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.