Home / 75,656.88-113,169.24-53,165.92

Finding the Fourth Proportional to 75,656.88, 113,169.24 and 53,165.92

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Solution

The fourth proportional to 75,656.88, 113,169.24 and 53,165.92 is: 79,526.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,656.88 : 113,169.24 = 53,165.92 : x
  2. Step 2: Convert to fraction form
    75,656.88/113,169.24 = 53,165.92/x
  3. Step 3: Cross multiply
    75,656.88x = 113,169.24 × 53,165.92
  4. Step 4: Simplify right side
    75,656.88x = 6,016,746,760.30
  5. Step 5: Solve for x
    x = 6,016,746,760.30/75,656.88
  6. Step 6: Final answer
    x = 79,526.76

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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.