Home / 52,862.69-79,286.31-15,412.70

Finding the Fourth Proportional to 52,862.69, 79,286.31 and 15,412.70

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Solution

The fourth proportional to 52,862.69, 79,286.31 and 15,412.70 is: 23,116.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,862.69 : 79,286.31 = 15,412.70 : x
  2. Step 2: Convert to fraction form
    52,862.69/79,286.31 = 15,412.70/x
  3. Step 3: Cross multiply
    52,862.69x = 79,286.31 × 15,412.70
  4. Step 4: Simplify right side
    52,862.69x = 1,222,015,713.71
  5. Step 5: Solve for x
    x = 1,222,015,713.71/52,862.69
  6. Step 6: Final answer
    x = 23,116.79

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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.