Home / 77,332.77-115,974.45-24,729.75

Finding the Fourth Proportional to 77,332.77, 115,974.45 and 24,729.75

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Solution

The fourth proportional to 77,332.77, 115,974.45 and 24,729.75 is: 37,086.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,332.77 : 115,974.45 = 24,729.75 : x
  2. Step 2: Convert to fraction form
    77,332.77/115,974.45 = 24,729.75/x
  3. Step 3: Cross multiply
    77,332.77x = 115,974.45 × 24,729.75
  4. Step 4: Simplify right side
    77,332.77x = 2,868,019,154.89
  5. Step 5: Solve for x
    x = 2,868,019,154.89/77,332.77
  6. Step 6: Final answer
    x = 37,086.72

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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.