Home / 75,741.76-113,738.58-47,344.48

Finding the Fourth Proportional to 75,741.76, 113,738.58 and 47,344.48

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Solution

The fourth proportional to 75,741.76, 113,738.58 and 47,344.48 is: 71,095.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,741.76 : 113,738.58 = 47,344.48 : x
  2. Step 2: Convert to fraction form
    75,741.76/113,738.58 = 47,344.48/x
  3. Step 3: Cross multiply
    75,741.76x = 113,738.58 × 47,344.48
  4. Step 4: Simplify right side
    75,741.76x = 5,384,893,926.04
  5. Step 5: Solve for x
    x = 5,384,893,926.04/75,741.76
  6. Step 6: Final answer
    x = 71,095.44

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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.