Home / 98,691.78-148,047.09-27,614.46

Finding the Fourth Proportional to 98,691.78, 148,047.09 and 27,614.46

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Solution

The fourth proportional to 98,691.78, 148,047.09 and 27,614.46 is: 41,424.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,691.78 : 148,047.09 = 27,614.46 : x
  2. Step 2: Convert to fraction form
    98,691.78/148,047.09 = 27,614.46/x
  3. Step 3: Cross multiply
    98,691.78x = 148,047.09 × 27,614.46
  4. Step 4: Simplify right side
    98,691.78x = 4,088,240,444.92
  5. Step 5: Solve for x
    x = 4,088,240,444.92/98,691.78
  6. Step 6: Final answer
    x = 41,424.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.