Home / 91,488.83-126,237.96-52,720.61

Finding the Fourth Proportional to 91,488.83, 126,237.96 and 52,720.61

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Solution

The fourth proportional to 91,488.83, 126,237.96 and 52,720.61 is: 72,744.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,488.83 : 126,237.96 = 52,720.61 : x
  2. Step 2: Convert to fraction form
    91,488.83/126,237.96 = 52,720.61/x
  3. Step 3: Cross multiply
    91,488.83x = 126,237.96 × 52,720.61
  4. Step 4: Simplify right side
    91,488.83x = 6,655,341,625.17
  5. Step 5: Solve for x
    x = 6,655,341,625.17/91,488.83
  6. Step 6: Final answer
    x = 72,744.86

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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.