Home / 88,213.52-121,753.91-54,251.23

Finding the Fourth Proportional to 88,213.52, 121,753.91 and 54,251.23

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Solution

The fourth proportional to 88,213.52, 121,753.91 and 54,251.23 is: 74,878.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,213.52 : 121,753.91 = 54,251.23 : x
  2. Step 2: Convert to fraction form
    88,213.52/121,753.91 = 54,251.23/x
  3. Step 3: Cross multiply
    88,213.52x = 121,753.91 × 54,251.23
  4. Step 4: Simplify right side
    88,213.52x = 6,605,298,494.78
  5. Step 5: Solve for x
    x = 6,605,298,494.78/88,213.52
  6. Step 6: Final answer
    x = 74,878.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.