Home / 68,734.04-103,063.54-20,695.64

Finding the Fourth Proportional to 68,734.04, 103,063.54 and 20,695.64

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Solution

The fourth proportional to 68,734.04, 103,063.54 and 20,695.64 is: 31,032.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,734.04 : 103,063.54 = 20,695.64 : x
  2. Step 2: Convert to fraction form
    68,734.04/103,063.54 = 20,695.64/x
  3. Step 3: Cross multiply
    68,734.04x = 103,063.54 × 20,695.64
  4. Step 4: Simplify right side
    68,734.04x = 2,132,965,920.97
  5. Step 5: Solve for x
    x = 2,132,965,920.97/68,734.04
  6. Step 6: Final answer
    x = 31,032.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.