Home / 74,444.20-111,666.30-27,687.40

Finding the Fourth Proportional to 74,444.20, 111,666.30 and 27,687.40

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Solution

The fourth proportional to 74,444.20, 111,666.30 and 27,687.40 is: 41,531.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,444.20 : 111,666.30 = 27,687.40 : x
  2. Step 2: Convert to fraction form
    74,444.20/111,666.30 = 27,687.40/x
  3. Step 3: Cross multiply
    74,444.20x = 111,666.30 × 27,687.40
  4. Step 4: Simplify right side
    74,444.20x = 3,091,749,514.62
  5. Step 5: Solve for x
    x = 3,091,749,514.62/74,444.20
  6. Step 6: Final answer
    x = 41,531.10

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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.