Home / 88,432.38-121,997.25-59,742.81

Finding the Fourth Proportional to 88,432.38, 121,997.25 and 59,742.81

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Solution

The fourth proportional to 88,432.38, 121,997.25 and 59,742.81 is: 82,418.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,432.38 : 121,997.25 = 59,742.81 : x
  2. Step 2: Convert to fraction form
    88,432.38/121,997.25 = 59,742.81/x
  3. Step 3: Cross multiply
    88,432.38x = 121,997.25 × 59,742.81
  4. Step 4: Simplify right side
    88,432.38x = 7,288,458,527.27
  5. Step 5: Solve for x
    x = 7,288,458,527.27/88,432.38
  6. Step 6: Final answer
    x = 82,418.44

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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.