Home / 74,614.30-112,329.95-68,082.46

Finding the Fourth Proportional to 74,614.30, 112,329.95 and 68,082.46

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Solution

The fourth proportional to 74,614.30, 112,329.95 and 68,082.46 is: 102,496.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,614.30 : 112,329.95 = 68,082.46 : x
  2. Step 2: Convert to fraction form
    74,614.30/112,329.95 = 68,082.46/x
  3. Step 3: Cross multiply
    74,614.30x = 112,329.95 × 68,082.46
  4. Step 4: Simplify right side
    74,614.30x = 7,647,699,327.68
  5. Step 5: Solve for x
    x = 7,647,699,327.68/74,614.30
  6. Step 6: Final answer
    x = 102,496.43

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.