Home / 118,023.76-177,053.10-39,120.58

Finding the Fourth Proportional to 118,023.76, 177,053.10 and 39,120.58

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Solution

The fourth proportional to 118,023.76, 177,053.10 and 39,120.58 is: 58,686.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,023.76 : 177,053.10 = 39,120.58 : x
  2. Step 2: Convert to fraction form
    118,023.76/177,053.10 = 39,120.58/x
  3. Step 3: Cross multiply
    118,023.76x = 177,053.10 × 39,120.58
  4. Step 4: Simplify right side
    118,023.76x = 6,926,419,962.80
  5. Step 5: Solve for x
    x = 6,926,419,962.80/118,023.76
  6. Step 6: Final answer
    x = 58,686.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.