Home / 78,737.45-118,108.22-22,575.29

Finding the Fourth Proportional to 78,737.45, 118,108.22 and 22,575.29

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Solution

The fourth proportional to 78,737.45, 118,108.22 and 22,575.29 is: 33,863.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,737.45 : 118,108.22 = 22,575.29 : x
  2. Step 2: Convert to fraction form
    78,737.45/118,108.22 = 22,575.29/x
  3. Step 3: Cross multiply
    78,737.45x = 118,108.22 × 22,575.29
  4. Step 4: Simplify right side
    78,737.45x = 2,666,326,614.47
  5. Step 5: Solve for x
    x = 2,666,326,614.47/78,737.45
  6. Step 6: Final answer
    x = 33,863.51

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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.