Home / 68,090.25-93,899.92-40,862.19

Finding the Fourth Proportional to 68,090.25, 93,899.92 and 40,862.19

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Solution

The fourth proportional to 68,090.25, 93,899.92 and 40,862.19 is: 56,351.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,090.25 : 93,899.92 = 40,862.19 : x
  2. Step 2: Convert to fraction form
    68,090.25/93,899.92 = 40,862.19/x
  3. Step 3: Cross multiply
    68,090.25x = 93,899.92 × 40,862.19
  4. Step 4: Simplify right side
    68,090.25x = 3,836,956,372.02
  5. Step 5: Solve for x
    x = 3,836,956,372.02/68,090.25
  6. Step 6: Final answer
    x = 56,351.04

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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.