Home / 88,093.20-121,545.60-52,291.20

Finding the Fourth Proportional to 88,093.20, 121,545.60 and 52,291.20

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Solution

The fourth proportional to 88,093.20, 121,545.60 and 52,291.20 is: 72,148.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,093.20 : 121,545.60 = 52,291.20 : x
  2. Step 2: Convert to fraction form
    88,093.20/121,545.60 = 52,291.20/x
  3. Step 3: Cross multiply
    88,093.20x = 121,545.60 × 52,291.20
  4. Step 4: Simplify right side
    88,093.20x = 6,355,765,278.72
  5. Step 5: Solve for x
    x = 6,355,765,278.72/88,093.20
  6. Step 6: Final answer
    x = 72,148.19

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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.