Home / 77,049.39-106,325.75-45,217.61

Finding the Fourth Proportional to 77,049.39, 106,325.75 and 45,217.61

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Solution

The fourth proportional to 77,049.39, 106,325.75 and 45,217.61 is: 62,398.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,049.39 : 106,325.75 = 45,217.61 : x
  2. Step 2: Convert to fraction form
    77,049.39/106,325.75 = 45,217.61/x
  3. Step 3: Cross multiply
    77,049.39x = 106,325.75 × 45,217.61
  4. Step 4: Simplify right side
    77,049.39x = 4,807,795,538.74
  5. Step 5: Solve for x
    x = 4,807,795,538.74/77,049.39
  6. Step 6: Final answer
    x = 62,398.88

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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.