Home / 83,431.55-125,160.96-27,255.35

Finding the Fourth Proportional to 83,431.55, 125,160.96 and 27,255.35

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Solution

The fourth proportional to 83,431.55, 125,160.96 and 27,255.35 is: 40,887.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,431.55 : 125,160.96 = 27,255.35 : x
  2. Step 2: Convert to fraction form
    83,431.55/125,160.96 = 27,255.35/x
  3. Step 3: Cross multiply
    83,431.55x = 125,160.96 × 27,255.35
  4. Step 4: Simplify right side
    83,431.55x = 3,411,305,145.33
  5. Step 5: Solve for x
    x = 3,411,305,145.33/83,431.55
  6. Step 6: Final answer
    x = 40,887.47

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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.