Home / 71,249.69-98,320.97-38,983.61

Finding the Fourth Proportional to 71,249.69, 98,320.97 and 38,983.61

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Solution

The fourth proportional to 71,249.69, 98,320.97 and 38,983.61 is: 53,795.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,249.69 : 98,320.97 = 38,983.61 : x
  2. Step 2: Convert to fraction form
    71,249.69/98,320.97 = 38,983.61/x
  3. Step 3: Cross multiply
    71,249.69x = 98,320.97 × 38,983.61
  4. Step 4: Simplify right side
    71,249.69x = 3,832,905,955.16
  5. Step 5: Solve for x
    x = 3,832,905,955.16/71,249.69
  6. Step 6: Final answer
    x = 53,795.41

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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.