Home / 89,597.49-123,642.27-48,759.88

Finding the Fourth Proportional to 89,597.49, 123,642.27 and 48,759.88

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Solution

The fourth proportional to 89,597.49, 123,642.27 and 48,759.88 is: 67,287.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,597.49 : 123,642.27 = 48,759.88 : x
  2. Step 2: Convert to fraction form
    89,597.49/123,642.27 = 48,759.88/x
  3. Step 3: Cross multiply
    89,597.49x = 123,642.27 × 48,759.88
  4. Step 4: Simplify right side
    89,597.49x = 6,028,782,248.13
  5. Step 5: Solve for x
    x = 6,028,782,248.13/89,597.49
  6. Step 6: Final answer
    x = 67,287.40

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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.