Home / 71,244.29-98,308.60-39,408.86

Finding the Fourth Proportional to 71,244.29, 98,308.60 and 39,408.86

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Solution

The fourth proportional to 71,244.29, 98,308.60 and 39,408.86 is: 54,379.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,244.29 : 98,308.60 = 39,408.86 : x
  2. Step 2: Convert to fraction form
    71,244.29/98,308.60 = 39,408.86/x
  3. Step 3: Cross multiply
    71,244.29x = 98,308.60 × 39,408.86
  4. Step 4: Simplify right side
    71,244.29x = 3,874,230,001.45
  5. Step 5: Solve for x
    x = 3,874,230,001.45/71,244.29
  6. Step 6: Final answer
    x = 54,379.51

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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.