Home / 77,553.74-106,996.91-50,711.96

Finding the Fourth Proportional to 77,553.74, 106,996.91 and 50,711.96

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Solution

The fourth proportional to 77,553.74, 106,996.91 and 50,711.96 is: 69,964.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,553.74 : 106,996.91 = 50,711.96 : x
  2. Step 2: Convert to fraction form
    77,553.74/106,996.91 = 50,711.96/x
  3. Step 3: Cross multiply
    77,553.74x = 106,996.91 × 50,711.96
  4. Step 4: Simplify right side
    77,553.74x = 5,426,023,020.04
  5. Step 5: Solve for x
    x = 5,426,023,020.04/77,553.74
  6. Step 6: Final answer
    x = 69,964.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.