Home / 52,711.28-79,064.92-13,267.88

Finding the Fourth Proportional to 52,711.28, 79,064.92 and 13,267.88

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Solution

The fourth proportional to 52,711.28, 79,064.92 and 13,267.88 is: 19,901.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,711.28 : 79,064.92 = 13,267.88 : x
  2. Step 2: Convert to fraction form
    52,711.28/79,064.92 = 13,267.88/x
  3. Step 3: Cross multiply
    52,711.28x = 79,064.92 × 13,267.88
  4. Step 4: Simplify right side
    52,711.28x = 1,049,023,870.77
  5. Step 5: Solve for x
    x = 1,049,023,870.77/52,711.28
  6. Step 6: Final answer
    x = 19,901.32

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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.