Home / 125,769.35-173,560.86-71,331.89

Finding the Fourth Proportional to 125,769.35, 173,560.86 and 71,331.89

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Solution

The fourth proportional to 125,769.35, 173,560.86 and 71,331.89 is: 98,437.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,769.35 : 173,560.86 = 71,331.89 : x
  2. Step 2: Convert to fraction form
    125,769.35/173,560.86 = 71,331.89/x
  3. Step 3: Cross multiply
    125,769.35x = 173,560.86 × 71,331.89
  4. Step 4: Simplify right side
    125,769.35x = 12,380,423,306.02
  5. Step 5: Solve for x
    x = 12,380,423,306.02/125,769.35
  6. Step 6: Final answer
    x = 98,437.52

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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.