Home / 90,841.96-125,254.65-62,175.43

Finding the Fourth Proportional to 90,841.96, 125,254.65 and 62,175.43

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Solution

The fourth proportional to 90,841.96, 125,254.65 and 62,175.43 is: 85,728.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,841.96 : 125,254.65 = 62,175.43 : x
  2. Step 2: Convert to fraction form
    90,841.96/125,254.65 = 62,175.43/x
  3. Step 3: Cross multiply
    90,841.96x = 125,254.65 × 62,175.43
  4. Step 4: Simplify right side
    90,841.96x = 7,787,761,723.25
  5. Step 5: Solve for x
    x = 7,787,761,723.25/90,841.96
  6. Step 6: Final answer
    x = 85,728.68

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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.