Home / 67,852.10-101,778.15-57,791.90

Finding the Fourth Proportional to 67,852.10, 101,778.15 and 57,791.90

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Solution

The fourth proportional to 67,852.10, 101,778.15 and 57,791.90 is: 86,687.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,852.10 : 101,778.15 = 57,791.90 : x
  2. Step 2: Convert to fraction form
    67,852.10/101,778.15 = 57,791.90/x
  3. Step 3: Cross multiply
    67,852.10x = 101,778.15 × 57,791.90
  4. Step 4: Simplify right side
    67,852.10x = 5,881,952,666.99
  5. Step 5: Solve for x
    x = 5,881,952,666.99/67,852.10
  6. Step 6: Final answer
    x = 86,687.85

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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.