Home / 83,122.98-114,752.49-49,141.86

Finding the Fourth Proportional to 83,122.98, 114,752.49 and 49,141.86

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Solution

The fourth proportional to 83,122.98, 114,752.49 and 49,141.86 is: 67,841.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,122.98 : 114,752.49 = 49,141.86 : x
  2. Step 2: Convert to fraction form
    83,122.98/114,752.49 = 49,141.86/x
  3. Step 3: Cross multiply
    83,122.98x = 114,752.49 × 49,141.86
  4. Step 4: Simplify right side
    83,122.98x = 5,639,150,798.23
  5. Step 5: Solve for x
    x = 5,639,150,798.23/83,122.98
  6. Step 6: Final answer
    x = 67,841.06

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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.