Home / 68,166.16-94,085.88-39,481.20

Finding the Fourth Proportional to 68,166.16, 94,085.88 and 39,481.20

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Solution

The fourth proportional to 68,166.16, 94,085.88 and 39,481.20 is: 54,493.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,166.16 : 94,085.88 = 39,481.20 : x
  2. Step 2: Convert to fraction form
    68,166.16/94,085.88 = 39,481.20/x
  3. Step 3: Cross multiply
    68,166.16x = 94,085.88 × 39,481.20
  4. Step 4: Simplify right side
    68,166.16x = 3,714,623,730.90
  5. Step 5: Solve for x
    x = 3,714,623,730.90/68,166.16
  6. Step 6: Final answer
    x = 54,493.66

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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.