Home / 88,529.12-122,170.20-48,242.90

Finding the Fourth Proportional to 88,529.12, 122,170.20 and 48,242.90

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Solution

The fourth proportional to 88,529.12, 122,170.20 and 48,242.90 is: 66,575.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,529.12 : 122,170.20 = 48,242.90 : x
  2. Step 2: Convert to fraction form
    88,529.12/122,170.20 = 48,242.90/x
  3. Step 3: Cross multiply
    88,529.12x = 122,170.20 × 48,242.90
  4. Step 4: Simplify right side
    88,529.12x = 5,893,844,741.58
  5. Step 5: Solve for x
    x = 5,893,844,741.58/88,529.12
  6. Step 6: Final answer
    x = 66,575.21

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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.