Home / 74,387.90-111,589.21-24,447.76

Finding the Fourth Proportional to 74,387.90, 111,589.21 and 24,447.76

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Solution

The fourth proportional to 74,387.90, 111,589.21 and 24,447.76 is: 36,674.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,387.90 : 111,589.21 = 24,447.76 : x
  2. Step 2: Convert to fraction form
    74,387.90/111,589.21 = 24,447.76/x
  3. Step 3: Cross multiply
    74,387.90x = 111,589.21 × 24,447.76
  4. Step 4: Simplify right side
    74,387.90x = 2,728,105,666.72
  5. Step 5: Solve for x
    x = 2,728,105,666.72/74,387.90
  6. Step 6: Final answer
    x = 36,674.05

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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.