Home / 90,693.60-136,003.95-34,514.43

Finding the Fourth Proportional to 90,693.60, 136,003.95 and 34,514.43

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Solution

The fourth proportional to 90,693.60, 136,003.95 and 34,514.43 is: 51,757.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,693.60 : 136,003.95 = 34,514.43 : x
  2. Step 2: Convert to fraction form
    90,693.60/136,003.95 = 34,514.43/x
  3. Step 3: Cross multiply
    90,693.60x = 136,003.95 × 34,514.43
  4. Step 4: Simplify right side
    90,693.60x = 4,694,098,812.00
  5. Step 5: Solve for x
    x = 4,694,098,812.00/90,693.60
  6. Step 6: Final answer
    x = 51,757.77

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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.