Home / 83,781.50-125,692.30-24,615.86

Finding the Fourth Proportional to 83,781.50, 125,692.30 and 24,615.86

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Solution

The fourth proportional to 83,781.50, 125,692.30 and 24,615.86 is: 36,929.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,781.50 : 125,692.30 = 24,615.86 : x
  2. Step 2: Convert to fraction form
    83,781.50/125,692.30 = 24,615.86/x
  3. Step 3: Cross multiply
    83,781.50x = 125,692.30 × 24,615.86
  4. Step 4: Simplify right side
    83,781.50x = 3,094,024,059.88
  5. Step 5: Solve for x
    x = 3,094,024,059.88/83,781.50
  6. Step 6: Final answer
    x = 36,929.68

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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.