Home / 75,490.22-113,246.27-28,101.38

Finding the Fourth Proportional to 75,490.22, 113,246.27 and 28,101.38

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Solution

The fourth proportional to 75,490.22, 113,246.27 and 28,101.38 is: 42,156.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,490.22 : 113,246.27 = 28,101.38 : x
  2. Step 2: Convert to fraction form
    75,490.22/113,246.27 = 28,101.38/x
  3. Step 3: Cross multiply
    75,490.22x = 113,246.27 × 28,101.38
  4. Step 4: Simplify right side
    75,490.22x = 3,182,375,760.11
  5. Step 5: Solve for x
    x = 3,182,375,760.11/75,490.22
  6. Step 6: Final answer
    x = 42,156.13

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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.