Home / 89,267.97-123,197.56-48,989.51

Finding the Fourth Proportional to 89,267.97, 123,197.56 and 48,989.51

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Solution

The fourth proportional to 89,267.97, 123,197.56 and 48,989.51 is: 67,609.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,267.97 : 123,197.56 = 48,989.51 : x
  2. Step 2: Convert to fraction form
    89,267.97/123,197.56 = 48,989.51/x
  3. Step 3: Cross multiply
    89,267.97x = 123,197.56 × 48,989.51
  4. Step 4: Simplify right side
    89,267.97x = 6,035,387,821.12
  5. Step 5: Solve for x
    x = 6,035,387,821.12/89,267.97
  6. Step 6: Final answer
    x = 67,609.78

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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.