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Finding the Fourth Proportional to 72,001.68, 108,000.90 and 32,548.20

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Solution

The fourth proportional to 72,001.68, 108,000.90 and 32,548.20 is: 48,821.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,001.68 : 108,000.90 = 32,548.20 : x
  2. Step 2: Convert to fraction form
    72,001.68/108,000.90 = 32,548.20/x
  3. Step 3: Cross multiply
    72,001.68x = 108,000.90 × 32,548.20
  4. Step 4: Simplify right side
    72,001.68x = 3,515,234,893.38
  5. Step 5: Solve for x
    x = 3,515,234,893.38/72,001.68
  6. Step 6: Final answer
    x = 48,821.57

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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.