Home / 83,891.04-125,748.36-37,132.80

Finding the Fourth Proportional to 83,891.04, 125,748.36 and 37,132.80

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Solution

The fourth proportional to 83,891.04, 125,748.36 and 37,132.80 is: 55,660.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,891.04 : 125,748.36 = 37,132.80 : x
  2. Step 2: Convert to fraction form
    83,891.04/125,748.36 = 37,132.80/x
  3. Step 3: Cross multiply
    83,891.04x = 125,748.36 × 37,132.80
  4. Step 4: Simplify right side
    83,891.04x = 4,669,388,702.21
  5. Step 5: Solve for x
    x = 4,669,388,702.21/83,891.04
  6. Step 6: Final answer
    x = 55,660.16

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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.