Home / 88,753.90-122,480.20-56,922.72

Finding the Fourth Proportional to 88,753.90, 122,480.20 and 56,922.72

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Solution

The fourth proportional to 88,753.90, 122,480.20 and 56,922.72 is: 78,553.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,753.90 : 122,480.20 = 56,922.72 : x
  2. Step 2: Convert to fraction form
    88,753.90/122,480.20 = 56,922.72/x
  3. Step 3: Cross multiply
    88,753.90x = 122,480.20 × 56,922.72
  4. Step 4: Simplify right side
    88,753.90x = 6,971,906,130.14
  5. Step 5: Solve for x
    x = 6,971,906,130.14/88,753.90
  6. Step 6: Final answer
    x = 78,553.24

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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.