Home / 83,287.26-124,922.79-45,835.02

Finding the Fourth Proportional to 83,287.26, 124,922.79 and 45,835.02

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Solution

The fourth proportional to 83,287.26, 124,922.79 and 45,835.02 is: 68,748.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,287.26 : 124,922.79 = 45,835.02 : x
  2. Step 2: Convert to fraction form
    83,287.26/124,922.79 = 45,835.02/x
  3. Step 3: Cross multiply
    83,287.26x = 124,922.79 × 45,835.02
  4. Step 4: Simplify right side
    83,287.26x = 5,725,838,578.11
  5. Step 5: Solve for x
    x = 5,725,838,578.11/83,287.26
  6. Step 6: Final answer
    x = 68,748.07

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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.