Home / 90,862.50-125,387.46-50,575.23

Finding the Fourth Proportional to 90,862.50, 125,387.46 and 50,575.23

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Solution

The fourth proportional to 90,862.50, 125,387.46 and 50,575.23 is: 69,792.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,862.50 : 125,387.46 = 50,575.23 : x
  2. Step 2: Convert to fraction form
    90,862.50/125,387.46 = 50,575.23/x
  3. Step 3: Cross multiply
    90,862.50x = 125,387.46 × 50,575.23
  4. Step 4: Simplify right side
    90,862.50x = 6,341,498,748.80
  5. Step 5: Solve for x
    x = 6,341,498,748.80/90,862.50
  6. Step 6: Final answer
    x = 69,792.26

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Find fourth proportional to 90,863.50, 125,388.83 and 50,576.23
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1.5x scale

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.