Home / 118,752.40-163,882.04-65,042.56

Finding the Fourth Proportional to 118,752.40, 163,882.04 and 65,042.56

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Solution

The fourth proportional to 118,752.40, 163,882.04 and 65,042.56 is: 89,760.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,752.40 : 163,882.04 = 65,042.56 : x
  2. Step 2: Convert to fraction form
    118,752.40/163,882.04 = 65,042.56/x
  3. Step 3: Cross multiply
    118,752.40x = 163,882.04 × 65,042.56
  4. Step 4: Simplify right side
    118,752.40x = 10,659,307,419.62
  5. Step 5: Solve for x
    x = 10,659,307,419.62/118,752.40
  6. Step 6: Final answer
    x = 89,760.77

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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.