Home / 76,849.28-115,304.64-27,605.12

Finding the Fourth Proportional to 76,849.28, 115,304.64 and 27,605.12

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Solution

The fourth proportional to 76,849.28, 115,304.64 and 27,605.12 is: 41,418.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,849.28 : 115,304.64 = 27,605.12 : x
  2. Step 2: Convert to fraction form
    76,849.28/115,304.64 = 27,605.12/x
  3. Step 3: Cross multiply
    76,849.28x = 115,304.64 × 27,605.12
  4. Step 4: Simplify right side
    76,849.28x = 3,182,998,423.76
  5. Step 5: Solve for x
    x = 3,182,998,423.76/76,849.28
  6. Step 6: Final answer
    x = 41,418.71

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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.