Home / 89,288.82-123,219.72-49,001.76

Finding the Fourth Proportional to 89,288.82, 123,219.72 and 49,001.76

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Solution

The fourth proportional to 89,288.82, 123,219.72 and 49,001.76 is: 67,623.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,288.82 : 123,219.72 = 49,001.76 : x
  2. Step 2: Convert to fraction form
    89,288.82/123,219.72 = 49,001.76/x
  3. Step 3: Cross multiply
    89,288.82x = 123,219.72 × 49,001.76
  4. Step 4: Simplify right side
    89,288.82x = 6,037,983,146.71
  5. Step 5: Solve for x
    x = 6,037,983,146.71/89,288.82
  6. Step 6: Final answer
    x = 67,623.06

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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.