Home / 68,398.24-94,389.96-40,104.40

Finding the Fourth Proportional to 68,398.24, 94,389.96 and 40,104.40

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Solution

The fourth proportional to 68,398.24, 94,389.96 and 40,104.40 is: 55,344.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,398.24 : 94,389.96 = 40,104.40 : x
  2. Step 2: Convert to fraction form
    68,398.24/94,389.96 = 40,104.40/x
  3. Step 3: Cross multiply
    68,398.24x = 94,389.96 × 40,104.40
  4. Step 4: Simplify right side
    68,398.24x = 3,785,452,711.82
  5. Step 5: Solve for x
    x = 3,785,452,711.82/68,398.24
  6. Step 6: Final answer
    x = 55,344.30

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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.