Home / 88,403.74-122,000.38-48,115.55

Finding the Fourth Proportional to 88,403.74, 122,000.38 and 48,115.55

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Solution

The fourth proportional to 88,403.74, 122,000.38 and 48,115.55 is: 66,401.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,403.74 : 122,000.38 = 48,115.55 : x
  2. Step 2: Convert to fraction form
    88,403.74/122,000.38 = 48,115.55/x
  3. Step 3: Cross multiply
    88,403.74x = 122,000.38 × 48,115.55
  4. Step 4: Simplify right side
    88,403.74x = 5,870,115,568.62
  5. Step 5: Solve for x
    x = 5,870,115,568.62/88,403.74
  6. Step 6: Final answer
    x = 66,401.21

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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.