Home / 68,765.10-94,896.04-38,140.38

Finding the Fourth Proportional to 68,765.10, 94,896.04 and 38,140.38

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Solution

The fourth proportional to 68,765.10, 94,896.04 and 38,140.38 is: 52,633.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,765.10 : 94,896.04 = 38,140.38 : x
  2. Step 2: Convert to fraction form
    68,765.10/94,896.04 = 38,140.38/x
  3. Step 3: Cross multiply
    68,765.10x = 94,896.04 × 38,140.38
  4. Step 4: Simplify right side
    68,765.10x = 3,619,371,026.10
  5. Step 5: Solve for x
    x = 3,619,371,026.10/68,765.10
  6. Step 6: Final answer
    x = 52,633.84

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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.