Home / 68,638.40-94,687.24-43,175.68

Finding the Fourth Proportional to 68,638.40, 94,687.24 and 43,175.68

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Solution

The fourth proportional to 68,638.40, 94,687.24 and 43,175.68 is: 59,561.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,638.40 : 94,687.24 = 43,175.68 : x
  2. Step 2: Convert to fraction form
    68,638.40/94,687.24 = 43,175.68/x
  3. Step 3: Cross multiply
    68,638.40x = 94,687.24 × 43,175.68
  4. Step 4: Simplify right side
    68,638.40x = 4,088,185,974.32
  5. Step 5: Solve for x
    x = 4,088,185,974.32/68,638.40
  6. Step 6: Final answer
    x = 59,561.21

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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.