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Finding the Fourth Proportional to 65,000.80, 97,472.40 and 29,951.20

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Solution

The fourth proportional to 65,000.80, 97,472.40 and 29,951.20 is: 44,913.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,000.80 : 97,472.40 = 29,951.20 : x
  2. Step 2: Convert to fraction form
    65,000.80/97,472.40 = 29,951.20/x
  3. Step 3: Cross multiply
    65,000.80x = 97,472.40 × 29,951.20
  4. Step 4: Simplify right side
    65,000.80x = 2,919,415,346.88
  5. Step 5: Solve for x
    x = 2,919,415,346.88/65,000.80
  6. Step 6: Final answer
    x = 44,913.53

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1.5x scale

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.