Home / 68,722.20-94,882.32-52,778.16

Finding the Fourth Proportional to 68,722.20, 94,882.32 and 52,778.16

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Solution

The fourth proportional to 68,722.20, 94,882.32 and 52,778.16 is: 72,868.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,722.20 : 94,882.32 = 52,778.16 : x
  2. Step 2: Convert to fraction form
    68,722.20/94,882.32 = 52,778.16/x
  3. Step 3: Cross multiply
    68,722.20x = 94,882.32 × 52,778.16
  4. Step 4: Simplify right side
    68,722.20x = 5,007,714,266.13
  5. Step 5: Solve for x
    x = 5,007,714,266.13/68,722.20
  6. Step 6: Final answer
    x = 72,868.95

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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.