Home / 76,229.57-114,449.08-38,814.77

Finding the Fourth Proportional to 76,229.57, 114,449.08 and 38,814.77

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Solution

The fourth proportional to 76,229.57, 114,449.08 and 38,814.77 is: 58,275.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,229.57 : 114,449.08 = 38,814.77 : x
  2. Step 2: Convert to fraction form
    76,229.57/114,449.08 = 38,814.77/x
  3. Step 3: Cross multiply
    76,229.57x = 114,449.08 × 38,814.77
  4. Step 4: Simplify right side
    76,229.57x = 4,442,314,716.91
  5. Step 5: Solve for x
    x = 4,442,314,716.91/76,229.57
  6. Step 6: Final answer
    x = 58,275.48

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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.