Home / 52,817.28-79,225.16-12,836.56

Finding the Fourth Proportional to 52,817.28, 79,225.16 and 12,836.56

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Solution

The fourth proportional to 52,817.28, 79,225.16 and 12,836.56 is: 19,254.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,817.28 : 79,225.16 = 12,836.56 : x
  2. Step 2: Convert to fraction form
    52,817.28/79,225.16 = 12,836.56/x
  3. Step 3: Cross multiply
    52,817.28x = 79,225.16 × 12,836.56
  4. Step 4: Simplify right side
    52,817.28x = 1,016,978,519.85
  5. Step 5: Solve for x
    x = 1,016,978,519.85/52,817.28
  6. Step 6: Final answer
    x = 19,254.66

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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.