Home / 71,408.13-98,543.24-39,581.83

Finding the Fourth Proportional to 71,408.13, 98,543.24 and 39,581.83

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Solution

The fourth proportional to 71,408.13, 98,543.24 and 39,581.83 is: 54,622.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,408.13 : 98,543.24 = 39,581.83 : x
  2. Step 2: Convert to fraction form
    71,408.13/98,543.24 = 39,581.83/x
  3. Step 3: Cross multiply
    71,408.13x = 98,543.24 × 39,581.83
  4. Step 4: Simplify right side
    71,408.13x = 3,900,521,773.33
  5. Step 5: Solve for x
    x = 3,900,521,773.33/71,408.13
  6. Step 6: Final answer
    x = 54,622.94

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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.