Home / 65,849.31-90,865.17-37,166.52

Finding the Fourth Proportional to 65,849.31, 90,865.17 and 37,166.52

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Solution

The fourth proportional to 65,849.31, 90,865.17 and 37,166.52 is: 51,285.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,849.31 : 90,865.17 = 37,166.52 : x
  2. Step 2: Convert to fraction form
    65,849.31/90,865.17 = 37,166.52/x
  3. Step 3: Cross multiply
    65,849.31x = 90,865.17 × 37,166.52
  4. Step 4: Simplify right side
    65,849.31x = 3,377,142,158.11
  5. Step 5: Solve for x
    x = 3,377,142,158.11/65,849.31
  6. Step 6: Final answer
    x = 51,285.92

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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.