Home / 76,770.52-115,159.91-24,184.12

Finding the Fourth Proportional to 76,770.52, 115,159.91 and 24,184.12

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Solution

The fourth proportional to 76,770.52, 115,159.91 and 24,184.12 is: 36,277.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,770.52 : 115,159.91 = 24,184.12 : x
  2. Step 2: Convert to fraction form
    76,770.52/115,159.91 = 24,184.12/x
  3. Step 3: Cross multiply
    76,770.52x = 115,159.91 × 24,184.12
  4. Step 4: Simplify right side
    76,770.52x = 2,785,040,961.71
  5. Step 5: Solve for x
    x = 2,785,040,961.71/76,770.52
  6. Step 6: Final answer
    x = 36,277.48

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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.