Home / 91,346.13-137,088.45-38,792.52

Finding the Fourth Proportional to 91,346.13, 137,088.45 and 38,792.52

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Solution

The fourth proportional to 91,346.13, 137,088.45 and 38,792.52 is: 58,218.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,346.13 : 137,088.45 = 38,792.52 : x
  2. Step 2: Convert to fraction form
    91,346.13/137,088.45 = 38,792.52/x
  3. Step 3: Cross multiply
    91,346.13x = 137,088.45 × 38,792.52
  4. Step 4: Simplify right side
    91,346.13x = 5,318,006,438.39
  5. Step 5: Solve for x
    x = 5,318,006,438.39/91,346.13
  6. Step 6: Final answer
    x = 58,218.19

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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.