Home / 83,562.72-125,423.67-51,876.90

Finding the Fourth Proportional to 83,562.72, 125,423.67 and 51,876.90

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Solution

The fourth proportional to 83,562.72, 125,423.67 and 51,876.90 is: 77,864.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,562.72 : 125,423.67 = 51,876.90 : x
  2. Step 2: Convert to fraction form
    83,562.72/125,423.67 = 51,876.90/x
  3. Step 3: Cross multiply
    83,562.72x = 125,423.67 × 51,876.90
  4. Step 4: Simplify right side
    83,562.72x = 6,506,591,186.22
  5. Step 5: Solve for x
    x = 6,506,591,186.22/83,562.72
  6. Step 6: Final answer
    x = 77,864.76

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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.