Home / 96,979.52-145,469.28-30,424.97

Finding the Fourth Proportional to 96,979.52, 145,469.28 and 30,424.97

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Solution

The fourth proportional to 96,979.52, 145,469.28 and 30,424.97 is: 45,637.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,979.52 : 145,469.28 = 30,424.97 : x
  2. Step 2: Convert to fraction form
    96,979.52/145,469.28 = 30,424.97/x
  3. Step 3: Cross multiply
    96,979.52x = 145,469.28 × 30,424.97
  4. Step 4: Simplify right side
    96,979.52x = 4,425,898,479.92
  5. Step 5: Solve for x
    x = 4,425,898,479.92/96,979.52
  6. Step 6: Final answer
    x = 45,637.46

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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.