Home / 88,335.12-121,862.26-52,504.78

Finding the Fourth Proportional to 88,335.12, 121,862.26 and 52,504.78

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Solution

The fourth proportional to 88,335.12, 121,862.26 and 52,504.78 is: 72,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,335.12 : 121,862.26 = 52,504.78 : x
  2. Step 2: Convert to fraction form
    88,335.12/121,862.26 = 52,504.78/x
  3. Step 3: Cross multiply
    88,335.12x = 121,862.26 × 52,504.78
  4. Step 4: Simplify right side
    88,335.12x = 6,398,351,151.60
  5. Step 5: Solve for x
    x = 6,398,351,151.60/88,335.12
  6. Step 6: Final answer
    x = 72,432.70

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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.