Home / 57,128.25-85,725.17-44,613.14

Finding the Fourth Proportional to 57,128.25, 85,725.17 and 44,613.14

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Solution

The fourth proportional to 57,128.25, 85,725.17 and 44,613.14 is: 66,945.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,128.25 : 85,725.17 = 44,613.14 : x
  2. Step 2: Convert to fraction form
    57,128.25/85,725.17 = 44,613.14/x
  3. Step 3: Cross multiply
    57,128.25x = 85,725.17 × 44,613.14
  4. Step 4: Simplify right side
    57,128.25x = 3,824,468,787.67
  5. Step 5: Solve for x
    x = 3,824,468,787.67/57,128.25
  6. Step 6: Final answer
    x = 66,945.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.