Home / 62,145.28-85,792.26-42,108.04

Finding the Fourth Proportional to 62,145.28, 85,792.26 and 42,108.04

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Solution

The fourth proportional to 62,145.28, 85,792.26 and 42,108.04 is: 58,130.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,145.28 : 85,792.26 = 42,108.04 : x
  2. Step 2: Convert to fraction form
    62,145.28/85,792.26 = 42,108.04/x
  3. Step 3: Cross multiply
    62,145.28x = 85,792.26 × 42,108.04
  4. Step 4: Simplify right side
    62,145.28x = 3,612,543,915.77
  5. Step 5: Solve for x
    x = 3,612,543,915.77/62,145.28
  6. Step 6: Final answer
    x = 58,130.62

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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.