Home / 77,996.46-117,023.94-58,439.82

Finding the Fourth Proportional to 77,996.46, 117,023.94 and 58,439.82

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Solution

The fourth proportional to 77,996.46, 117,023.94 and 58,439.82 is: 87,681.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,996.46 : 117,023.94 = 58,439.82 : x
  2. Step 2: Convert to fraction form
    77,996.46/117,023.94 = 58,439.82/x
  3. Step 3: Cross multiply
    77,996.46x = 117,023.94 × 58,439.82
  4. Step 4: Simplify right side
    77,996.46x = 6,838,857,989.29
  5. Step 5: Solve for x
    x = 6,838,857,989.29/77,996.46
  6. Step 6: Final answer
    x = 87,681.65

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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.