Home / 83,411.64-125,136.90-27,254.34

Finding the Fourth Proportional to 83,411.64, 125,136.90 and 27,254.34

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Solution

The fourth proportional to 83,411.64, 125,136.90 and 27,254.34 is: 40,887.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,411.64 : 125,136.90 = 27,254.34 : x
  2. Step 2: Convert to fraction form
    83,411.64/125,136.90 = 27,254.34/x
  3. Step 3: Cross multiply
    83,411.64x = 125,136.90 × 27,254.34
  4. Step 4: Simplify right side
    83,411.64x = 3,410,523,619.15
  5. Step 5: Solve for x
    x = 3,410,523,619.15/83,411.64
  6. Step 6: Final answer
    x = 40,887.86

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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.