Home / 68,680.13-103,488.19-56,473.61

Finding the Fourth Proportional to 68,680.13, 103,488.19 and 56,473.61

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Solution

The fourth proportional to 68,680.13, 103,488.19 and 56,473.61 is: 85,095.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,680.13 : 103,488.19 = 56,473.61 : x
  2. Step 2: Convert to fraction form
    68,680.13/103,488.19 = 56,473.61/x
  3. Step 3: Cross multiply
    68,680.13x = 103,488.19 × 56,473.61
  4. Step 4: Simplify right side
    68,680.13x = 5,844,351,023.04
  5. Step 5: Solve for x
    x = 5,844,351,023.04/68,680.13
  6. Step 6: Final answer
    x = 85,095.23

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.