Home / 90,521.60-124,863.02-58,297.98

Finding the Fourth Proportional to 90,521.60, 124,863.02 and 58,297.98

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Solution

The fourth proportional to 90,521.60, 124,863.02 and 58,297.98 is: 80,414.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,521.60 : 124,863.02 = 58,297.98 : x
  2. Step 2: Convert to fraction form
    90,521.60/124,863.02 = 58,297.98/x
  3. Step 3: Cross multiply
    90,521.60x = 124,863.02 × 58,297.98
  4. Step 4: Simplify right side
    90,521.60x = 7,279,261,842.70
  5. Step 5: Solve for x
    x = 7,279,261,842.70/90,521.60
  6. Step 6: Final answer
    x = 80,414.64

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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.