Home / 57,129.05-78,863.54-37,759.62

Finding the Fourth Proportional to 57,129.05, 78,863.54 and 37,759.62

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Solution

The fourth proportional to 57,129.05, 78,863.54 and 37,759.62 is: 52,125.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,129.05 : 78,863.54 = 37,759.62 : x
  2. Step 2: Convert to fraction form
    57,129.05/78,863.54 = 37,759.62/x
  3. Step 3: Cross multiply
    57,129.05x = 78,863.54 × 37,759.62
  4. Step 4: Simplify right side
    57,129.05x = 2,977,857,593.81
  5. Step 5: Solve for x
    x = 2,977,857,593.81/57,129.05
  6. Step 6: Final answer
    x = 52,125.11

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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.