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Finding the Fourth Proportional to 75,008.52, 112,479.92 and 35,576.88

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Solution

The fourth proportional to 75,008.52, 112,479.92 and 35,576.88 is: 53,349.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,008.52 : 112,479.92 = 35,576.88 : x
  2. Step 2: Convert to fraction form
    75,008.52/112,479.92 = 35,576.88/x
  3. Step 3: Cross multiply
    75,008.52x = 112,479.92 × 35,576.88
  4. Step 4: Simplify right side
    75,008.52x = 4,001,684,616.25
  5. Step 5: Solve for x
    x = 4,001,684,616.25/75,008.52
  6. Step 6: Final answer
    x = 53,349.73

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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.