Home / 92,420.43-127,553.33-52,137.91

Finding the Fourth Proportional to 92,420.43, 127,553.33 and 52,137.91

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Solution

The fourth proportional to 92,420.43, 127,553.33 and 52,137.91 is: 71,957.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,420.43 : 127,553.33 = 52,137.91 : x
  2. Step 2: Convert to fraction form
    92,420.43/127,553.33 = 52,137.91/x
  3. Step 3: Cross multiply
    92,420.43x = 127,553.33 × 52,137.91
  4. Step 4: Simplify right side
    92,420.43x = 6,650,364,329.53
  5. Step 5: Solve for x
    x = 6,650,364,329.53/92,420.43
  6. Step 6: Final answer
    x = 71,957.73

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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.