Home / 89,598.49-123,643.65-48,760.88

Finding the Fourth Proportional to 89,598.49, 123,643.65 and 48,760.88

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Solution

The fourth proportional to 89,598.49, 123,643.65 and 48,760.88 is: 67,288.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,598.49 : 123,643.65 = 48,760.88 : x
  2. Step 2: Convert to fraction form
    89,598.49/123,643.65 = 48,760.88/x
  3. Step 3: Cross multiply
    89,598.49x = 123,643.65 × 48,760.88
  4. Step 4: Simplify right side
    89,598.49x = 6,028,973,180.41
  5. Step 5: Solve for x
    x = 6,028,973,180.41/89,598.49
  6. Step 6: Final answer
    x = 67,288.78

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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.