Home / 88,542.24-122,814.04-85,350.43

Finding the Fourth Proportional to 88,542.24, 122,814.04 and 85,350.43

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Solution

The fourth proportional to 88,542.24, 122,814.04 and 85,350.43 is: 118,386.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,542.24 : 122,814.04 = 85,350.43 : x
  2. Step 2: Convert to fraction form
    88,542.24/122,814.04 = 85,350.43/x
  3. Step 3: Cross multiply
    88,542.24x = 122,814.04 × 85,350.43
  4. Step 4: Simplify right side
    88,542.24x = 10,482,231,124.04
  5. Step 5: Solve for x
    x = 10,482,231,124.04/88,542.24
  6. Step 6: Final answer
    x = 118,386.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.