Home / 90,743.18-136,121.25-24,182.96

Finding the Fourth Proportional to 90,743.18, 136,121.25 and 24,182.96

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Solution

The fourth proportional to 90,743.18, 136,121.25 and 24,182.96 is: 36,276.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,743.18 : 136,121.25 = 24,182.96 : x
  2. Step 2: Convert to fraction form
    90,743.18/136,121.25 = 24,182.96/x
  3. Step 3: Cross multiply
    90,743.18x = 136,121.25 × 24,182.96
  4. Step 4: Simplify right side
    90,743.18x = 3,291,814,743.90
  5. Step 5: Solve for x
    x = 3,291,814,743.90/90,743.18
  6. Step 6: Final answer
    x = 36,276.17

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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.