Home / 75,502.71-113,204.25-42,226.29

Finding the Fourth Proportional to 75,502.71, 113,204.25 and 42,226.29

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Solution

The fourth proportional to 75,502.71, 113,204.25 and 42,226.29 is: 63,311.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,502.71 : 113,204.25 = 42,226.29 : x
  2. Step 2: Convert to fraction form
    75,502.71/113,204.25 = 42,226.29/x
  3. Step 3: Cross multiply
    75,502.71x = 113,204.25 × 42,226.29
  4. Step 4: Simplify right side
    75,502.71x = 4,780,195,489.73
  5. Step 5: Solve for x
    x = 4,780,195,489.73/75,502.71
  6. Step 6: Final answer
    x = 63,311.58

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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.