Home / 96,979.77-145,351.94-40,798.17

Finding the Fourth Proportional to 96,979.77, 145,351.94 and 40,798.17

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Solution

The fourth proportional to 96,979.77, 145,351.94 and 40,798.17 is: 61,147.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,979.77 : 145,351.94 = 40,798.17 : x
  2. Step 2: Convert to fraction form
    96,979.77/145,351.94 = 40,798.17/x
  3. Step 3: Cross multiply
    96,979.77x = 145,351.94 × 40,798.17
  4. Step 4: Simplify right side
    96,979.77x = 5,930,092,953.96
  5. Step 5: Solve for x
    x = 5,930,092,953.96/96,979.77
  6. Step 6: Final answer
    x = 61,147.73

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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.