Home / 83,976.03-125,349.64-74,011.86

Finding the Fourth Proportional to 83,976.03, 125,349.64 and 74,011.86

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Solution

The fourth proportional to 83,976.03, 125,349.64 and 74,011.86 is: 110,476.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,976.03 : 125,349.64 = 74,011.86 : x
  2. Step 2: Convert to fraction form
    83,976.03/125,349.64 = 74,011.86/x
  3. Step 3: Cross multiply
    83,976.03x = 125,349.64 × 74,011.86
  4. Step 4: Simplify right side
    83,976.03x = 9,277,359,821.70
  5. Step 5: Solve for x
    x = 9,277,359,821.70/83,976.03
  6. Step 6: Final answer
    x = 110,476.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.