Home / 75,418.50-103,992.23-48,158.74

Finding the Fourth Proportional to 75,418.50, 103,992.23 and 48,158.74

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Solution

The fourth proportional to 75,418.50, 103,992.23 and 48,158.74 is: 66,404.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,418.50 : 103,992.23 = 48,158.74 : x
  2. Step 2: Convert to fraction form
    75,418.50/103,992.23 = 48,158.74/x
  3. Step 3: Cross multiply
    75,418.50x = 103,992.23 × 48,158.74
  4. Step 4: Simplify right side
    75,418.50x = 5,008,134,634.82
  5. Step 5: Solve for x
    x = 5,008,134,634.82/75,418.50
  6. Step 6: Final answer
    x = 66,404.59

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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.