Home / 68,359.06-94,335.19-38,142.62

Finding the Fourth Proportional to 68,359.06, 94,335.19 and 38,142.62

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Solution

The fourth proportional to 68,359.06, 94,335.19 and 38,142.62 is: 52,636.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,359.06 : 94,335.19 = 38,142.62 : x
  2. Step 2: Convert to fraction form
    68,359.06/94,335.19 = 38,142.62/x
  3. Step 3: Cross multiply
    68,359.06x = 94,335.19 × 38,142.62
  4. Step 4: Simplify right side
    68,359.06x = 3,598,191,304.80
  5. Step 5: Solve for x
    x = 3,598,191,304.80/68,359.06
  6. Step 6: Final answer
    x = 52,636.64

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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.