Home / 75,320.12-112,983.12-22,729.61

Finding the Fourth Proportional to 75,320.12, 112,983.12 and 22,729.61

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Solution

The fourth proportional to 75,320.12, 112,983.12 and 22,729.61 is: 34,095.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,320.12 : 112,983.12 = 22,729.61 : x
  2. Step 2: Convert to fraction form
    75,320.12/112,983.12 = 22,729.61/x
  3. Step 3: Cross multiply
    75,320.12x = 112,983.12 × 22,729.61
  4. Step 4: Simplify right side
    75,320.12x = 2,568,062,254.18
  5. Step 5: Solve for x
    x = 2,568,062,254.18/75,320.12
  6. Step 6: Final answer
    x = 34,095.30

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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.