Home / 71,379.36-98,495.82-39,545.10

Finding the Fourth Proportional to 71,379.36, 98,495.82 and 39,545.10

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Solution

The fourth proportional to 71,379.36, 98,495.82 and 39,545.10 is: 54,567.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,379.36 : 98,495.82 = 39,545.10 : x
  2. Step 2: Convert to fraction form
    71,379.36/98,495.82 = 39,545.10/x
  3. Step 3: Cross multiply
    71,379.36x = 98,495.82 × 39,545.10
  4. Step 4: Simplify right side
    71,379.36x = 3,895,027,051.48
  5. Step 5: Solve for x
    x = 3,895,027,051.48/71,379.36
  6. Step 6: Final answer
    x = 54,567.97

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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.