Home / 68,976.32-103,479.04-22,261.76

Finding the Fourth Proportional to 68,976.32, 103,479.04 and 22,261.76

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Solution

The fourth proportional to 68,976.32, 103,479.04 and 22,261.76 is: 33,397.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,976.32 : 103,479.04 = 22,261.76 : x
  2. Step 2: Convert to fraction form
    68,976.32/103,479.04 = 22,261.76/x
  3. Step 3: Cross multiply
    68,976.32x = 103,479.04 × 22,261.76
  4. Step 4: Simplify right side
    68,976.32x = 2,303,625,553.51
  5. Step 5: Solve for x
    x = 2,303,625,553.51/68,976.32
  6. Step 6: Final answer
    x = 33,397.34

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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.