Home / 71,223.22-98,281.92-39,384.15

Finding the Fourth Proportional to 71,223.22, 98,281.92 and 39,384.15

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Solution

The fourth proportional to 71,223.22, 98,281.92 and 39,384.15 is: 54,346.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,223.22 : 98,281.92 = 39,384.15 : x
  2. Step 2: Convert to fraction form
    71,223.22/98,281.92 = 39,384.15/x
  3. Step 3: Cross multiply
    71,223.22x = 98,281.92 × 39,384.15
  4. Step 4: Simplify right side
    71,223.22x = 3,870,749,879.57
  5. Step 5: Solve for x
    x = 3,870,749,879.57/71,223.22
  6. Step 6: Final answer
    x = 54,346.74

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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.