Home / 83,853.74-115,726.65-48,048.50

Finding the Fourth Proportional to 83,853.74, 115,726.65 and 48,048.50

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Solution

The fourth proportional to 83,853.74, 115,726.65 and 48,048.50 is: 66,311.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,853.74 : 115,726.65 = 48,048.50 : x
  2. Step 2: Convert to fraction form
    83,853.74/115,726.65 = 48,048.50/x
  3. Step 3: Cross multiply
    83,853.74x = 115,726.65 × 48,048.50
  4. Step 4: Simplify right side
    83,853.74x = 5,560,491,942.53
  5. Step 5: Solve for x
    x = 5,560,491,942.53/83,853.74
  6. Step 6: Final answer
    x = 66,311.79

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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.