Home / 74,562.52-102,896.22-42,729.88

Finding the Fourth Proportional to 74,562.52, 102,896.22 and 42,729.88

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Solution

The fourth proportional to 74,562.52, 102,896.22 and 42,729.88 is: 58,967.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,562.52 : 102,896.22 = 42,729.88 : x
  2. Step 2: Convert to fraction form
    74,562.52/102,896.22 = 42,729.88/x
  3. Step 3: Cross multiply
    74,562.52x = 102,896.22 × 42,729.88
  4. Step 4: Simplify right side
    74,562.52x = 4,396,743,133.05
  5. Step 5: Solve for x
    x = 4,396,743,133.05/74,562.52
  6. Step 6: Final answer
    x = 58,967.20

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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.