Home / 83,863.60-125,781.28-23,887.86

Finding the Fourth Proportional to 83,863.60, 125,781.28 and 23,887.86

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Solution

The fourth proportional to 83,863.60, 125,781.28 and 23,887.86 is: 35,827.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,863.60 : 125,781.28 = 23,887.86 : x
  2. Step 2: Convert to fraction form
    83,863.60/125,781.28 = 23,887.86/x
  3. Step 3: Cross multiply
    83,863.60x = 125,781.28 × 23,887.86
  4. Step 4: Simplify right side
    83,863.60x = 3,004,645,607.26
  5. Step 5: Solve for x
    x = 3,004,645,607.26/83,863.60
  6. Step 6: Final answer
    x = 35,827.77

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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.