Home / 68,832.20-94,987.84-38,616.87

Finding the Fourth Proportional to 68,832.20, 94,987.84 and 38,616.87

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Solution

The fourth proportional to 68,832.20, 94,987.84 and 38,616.87 is: 53,290.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,832.20 : 94,987.84 = 38,616.87 : x
  2. Step 2: Convert to fraction form
    68,832.20/94,987.84 = 38,616.87/x
  3. Step 3: Cross multiply
    68,832.20x = 94,987.84 × 38,616.87
  4. Step 4: Simplify right side
    68,832.20x = 3,668,132,866.62
  5. Step 5: Solve for x
    x = 3,668,132,866.62/68,832.20
  6. Step 6: Final answer
    x = 53,290.95

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1.5x scale

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.