Home / 68,389.38-94,393.10-40,104.18

Finding the Fourth Proportional to 68,389.38, 94,393.10 and 40,104.18

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Solution

The fourth proportional to 68,389.38, 94,393.10 and 40,104.18 is: 55,353.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,389.38 : 94,393.10 = 40,104.18 : x
  2. Step 2: Convert to fraction form
    68,389.38/94,393.10 = 40,104.18/x
  3. Step 3: Cross multiply
    68,389.38x = 94,393.10 × 40,104.18
  4. Step 4: Simplify right side
    68,389.38x = 3,785,557,873.16
  5. Step 5: Solve for x
    x = 3,785,557,873.16/68,389.38
  6. Step 6: Final answer
    x = 55,353.01

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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.