Home / 71,078.22-98,088.57-39,249.54

Finding the Fourth Proportional to 71,078.22, 98,088.57 and 39,249.54

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Solution

The fourth proportional to 71,078.22, 98,088.57 and 39,249.54 is: 54,164.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,078.22 : 98,088.57 = 39,249.54 : x
  2. Step 2: Convert to fraction form
    71,078.22/98,088.57 = 39,249.54/x
  3. Step 3: Cross multiply
    71,078.22x = 98,088.57 × 39,249.54
  4. Step 4: Simplify right side
    71,078.22x = 3,849,931,251.76
  5. Step 5: Solve for x
    x = 3,849,931,251.76/71,078.22
  6. Step 6: Final answer
    x = 54,164.71

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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.