Home / 74,425.20-111,641.45-30,046.42

Finding the Fourth Proportional to 74,425.20, 111,641.45 and 30,046.42

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Solution

The fourth proportional to 74,425.20, 111,641.45 and 30,046.42 is: 45,071.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,425.20 : 111,641.45 = 30,046.42 : x
  2. Step 2: Convert to fraction form
    74,425.20/111,641.45 = 30,046.42/x
  3. Step 3: Cross multiply
    74,425.20x = 111,641.45 × 30,046.42
  4. Step 4: Simplify right side
    74,425.20x = 3,354,425,896.11
  5. Step 5: Solve for x
    x = 3,354,425,896.11/74,425.20
  6. Step 6: Final answer
    x = 45,071.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.