Home / 71,288.10-98,379.90-41,071.05

Finding the Fourth Proportional to 71,288.10, 98,379.90 and 41,071.05

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Solution

The fourth proportional to 71,288.10, 98,379.90 and 41,071.05 is: 56,679.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,288.10 : 98,379.90 = 41,071.05 : x
  2. Step 2: Convert to fraction form
    71,288.10/98,379.90 = 41,071.05/x
  3. Step 3: Cross multiply
    71,288.10x = 98,379.90 × 41,071.05
  4. Step 4: Simplify right side
    71,288.10x = 4,040,565,791.90
  5. Step 5: Solve for x
    x = 4,040,565,791.90/71,288.10
  6. Step 6: Final answer
    x = 56,679.39

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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.