Home / 76,230.09-114,449.87-38,815.29

Finding the Fourth Proportional to 76,230.09, 114,449.87 and 38,815.29

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Solution

The fourth proportional to 76,230.09, 114,449.87 and 38,815.29 is: 58,276.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,230.09 : 114,449.87 = 38,815.29 : x
  2. Step 2: Convert to fraction form
    76,230.09/114,449.87 = 38,815.29/x
  3. Step 3: Cross multiply
    76,230.09x = 114,449.87 × 38,815.29
  4. Step 4: Simplify right side
    76,230.09x = 4,442,404,700.44
  5. Step 5: Solve for x
    x = 4,442,404,700.44/76,230.09
  6. Step 6: Final answer
    x = 58,276.26

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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.