Home / 75,895.52-113,832.58-47,729.72

Finding the Fourth Proportional to 75,895.52, 113,832.58 and 47,729.72

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Solution

The fourth proportional to 75,895.52, 113,832.58 and 47,729.72 is: 71,587.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,895.52 : 113,832.58 = 47,729.72 : x
  2. Step 2: Convert to fraction form
    75,895.52/113,832.58 = 47,729.72/x
  3. Step 3: Cross multiply
    75,895.52x = 113,832.58 × 47,729.72
  4. Step 4: Simplify right side
    75,895.52x = 5,433,197,170.28
  5. Step 5: Solve for x
    x = 5,433,197,170.28/75,895.52
  6. Step 6: Final answer
    x = 71,587.85

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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.