Home / 96,979.34-145,469.17-30,424.71

Finding the Fourth Proportional to 96,979.34, 145,469.17 and 30,424.71

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Solution

The fourth proportional to 96,979.34, 145,469.17 and 30,424.71 is: 45,637.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,979.34 : 145,469.17 = 30,424.71 : x
  2. Step 2: Convert to fraction form
    96,979.34/145,469.17 = 30,424.71/x
  3. Step 3: Cross multiply
    96,979.34x = 145,469.17 × 30,424.71
  4. Step 4: Simplify right side
    96,979.34x = 4,425,857,311.19
  5. Step 5: Solve for x
    x = 4,425,857,311.19/96,979.34
  6. Step 6: Final answer
    x = 45,637.12

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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.