Home / 88,375.13-121,917.39-52,544.78

Finding the Fourth Proportional to 88,375.13, 121,917.39 and 52,544.78

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Solution

The fourth proportional to 88,375.13, 121,917.39 and 52,544.78 is: 72,487.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,375.13 : 121,917.39 = 52,544.78 : x
  2. Step 2: Convert to fraction form
    88,375.13/121,917.39 = 52,544.78/x
  3. Step 3: Cross multiply
    88,375.13x = 121,917.39 × 52,544.78
  4. Step 4: Simplify right side
    88,375.13x = 6,406,122,435.72
  5. Step 5: Solve for x
    x = 6,406,122,435.72/88,375.13
  6. Step 6: Final answer
    x = 72,487.84

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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.