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Finding the Fourth Proportional to 75,162.34, 112,760.79 and 22,572.82

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Solution

The fourth proportional to 75,162.34, 112,760.79 and 22,572.82 is: 33,864.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,162.34 : 112,760.79 = 22,572.82 : x
  2. Step 2: Convert to fraction form
    75,162.34/112,760.79 = 22,572.82/x
  3. Step 3: Cross multiply
    75,162.34x = 112,760.79 × 22,572.82
  4. Step 4: Simplify right side
    75,162.34x = 2,545,329,015.73
  5. Step 5: Solve for x
    x = 2,545,329,015.73/75,162.34
  6. Step 6: Final answer
    x = 33,864.42

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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.