Home / 54,101.08-74,659.86-30,228.76

Finding the Fourth Proportional to 54,101.08, 74,659.86 and 30,228.76

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Solution

The fourth proportional to 54,101.08, 74,659.86 and 30,228.76 is: 41,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,101.08 : 74,659.86 = 30,228.76 : x
  2. Step 2: Convert to fraction form
    54,101.08/74,659.86 = 30,228.76/x
  3. Step 3: Cross multiply
    54,101.08x = 74,659.86 × 30,228.76
  4. Step 4: Simplify right side
    54,101.08x = 2,256,874,989.57
  5. Step 5: Solve for x
    x = 2,256,874,989.57/54,101.08
  6. Step 6: Final answer
    x = 41,715.90

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Double scale
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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.