Home / 88,503.50-122,135.92-50,781.26

Finding the Fourth Proportional to 88,503.50, 122,135.92 and 50,781.26

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Solution

The fourth proportional to 88,503.50, 122,135.92 and 50,781.26 is: 70,078.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,503.50 : 122,135.92 = 50,781.26 : x
  2. Step 2: Convert to fraction form
    88,503.50/122,135.92 = 50,781.26/x
  3. Step 3: Cross multiply
    88,503.50x = 122,135.92 × 50,781.26
  4. Step 4: Simplify right side
    88,503.50x = 6,202,215,908.86
  5. Step 5: Solve for x
    x = 6,202,215,908.86/88,503.50
  6. Step 6: Final answer
    x = 70,078.76

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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.