Home / 52,211.28-78,326.80-17,160.96

Finding the Fourth Proportional to 52,211.28, 78,326.80 and 17,160.96

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Solution

The fourth proportional to 52,211.28, 78,326.80 and 17,160.96 is: 25,744.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,211.28 : 78,326.80 = 17,160.96 : x
  2. Step 2: Convert to fraction form
    52,211.28/78,326.80 = 17,160.96/x
  3. Step 3: Cross multiply
    52,211.28x = 78,326.80 × 17,160.96
  4. Step 4: Simplify right side
    52,211.28x = 1,344,163,081.73
  5. Step 5: Solve for x
    x = 1,344,163,081.73/52,211.28
  6. Step 6: Final answer
    x = 25,744.69

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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.