Home / 83,941.48-125,921.45-27,761.12

Finding the Fourth Proportional to 83,941.48, 125,921.45 and 27,761.12

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Solution

The fourth proportional to 83,941.48, 125,921.45 and 27,761.12 is: 41,644.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,941.48 : 125,921.45 = 27,761.12 : x
  2. Step 2: Convert to fraction form
    83,941.48/125,921.45 = 27,761.12/x
  3. Step 3: Cross multiply
    83,941.48x = 125,921.45 × 27,761.12
  4. Step 4: Simplify right side
    83,941.48x = 3,495,720,948.18
  5. Step 5: Solve for x
    x = 3,495,720,948.18/83,941.48
  6. Step 6: Final answer
    x = 41,644.74

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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.