Home / 71,289.26-98,377.71-39,456.26

Finding the Fourth Proportional to 71,289.26, 98,377.71 and 39,456.26

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Solution

The fourth proportional to 71,289.26, 98,377.71 and 39,456.26 is: 54,448.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,289.26 : 98,377.71 = 39,456.26 : x
  2. Step 2: Convert to fraction form
    71,289.26/98,377.71 = 39,456.26/x
  3. Step 3: Cross multiply
    71,289.26x = 98,377.71 × 39,456.26
  4. Step 4: Simplify right side
    71,289.26x = 3,881,616,503.96
  5. Step 5: Solve for x
    x = 3,881,616,503.96/71,289.26
  6. Step 6: Final answer
    x = 54,448.83

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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.