Home / 89,046.74-122,884.90-48,760.79

Finding the Fourth Proportional to 89,046.74, 122,884.90 and 48,760.79

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Solution

The fourth proportional to 89,046.74, 122,884.90 and 48,760.79 is: 67,290.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,046.74 : 122,884.90 = 48,760.79 : x
  2. Step 2: Convert to fraction form
    89,046.74/122,884.90 = 48,760.79/x
  3. Step 3: Cross multiply
    89,046.74x = 122,884.90 × 48,760.79
  4. Step 4: Simplify right side
    89,046.74x = 5,991,964,066.74
  5. Step 5: Solve for x
    x = 5,991,964,066.74/89,046.74
  6. Step 6: Final answer
    x = 67,290.10

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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.