Home / 89,616.68-123,675.46-49,330.01

Finding the Fourth Proportional to 89,616.68, 123,675.46 and 49,330.01

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Solution

The fourth proportional to 89,616.68, 123,675.46 and 49,330.01 is: 68,077.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,616.68 : 123,675.46 = 49,330.01 : x
  2. Step 2: Convert to fraction form
    89,616.68/123,675.46 = 49,330.01/x
  3. Step 3: Cross multiply
    89,616.68x = 123,675.46 × 49,330.01
  4. Step 4: Simplify right side
    89,616.68x = 6,100,911,864.42
  5. Step 5: Solve for x
    x = 6,100,911,864.42/89,616.68
  6. Step 6: Final answer
    x = 68,077.86

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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.