Home / 57,753.90-86,634.09-54,612.18

Finding the Fourth Proportional to 57,753.90, 86,634.09 and 54,612.18

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Solution

The fourth proportional to 57,753.90, 86,634.09 and 54,612.18 is: 81,921.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,753.90 : 86,634.09 = 54,612.18 : x
  2. Step 2: Convert to fraction form
    57,753.90/86,634.09 = 54,612.18/x
  3. Step 3: Cross multiply
    57,753.90x = 86,634.09 × 54,612.18
  4. Step 4: Simplify right side
    57,753.90x = 4,731,276,517.22
  5. Step 5: Solve for x
    x = 4,731,276,517.22/57,753.90
  6. Step 6: Final answer
    x = 81,921.33

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1.5x scale

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.