Home / 52,818.26-79,240.38-15,378.65

Finding the Fourth Proportional to 52,818.26, 79,240.38 and 15,378.65

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Solution

The fourth proportional to 52,818.26, 79,240.38 and 15,378.65 is: 23,071.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,818.26 : 79,240.38 = 15,378.65 : x
  2. Step 2: Convert to fraction form
    52,818.26/79,240.38 = 15,378.65/x
  3. Step 3: Cross multiply
    52,818.26x = 79,240.38 × 15,378.65
  4. Step 4: Simplify right side
    52,818.26x = 1,218,610,069.89
  5. Step 5: Solve for x
    x = 1,218,610,069.89/52,818.26
  6. Step 6: Final answer
    x = 23,071.76

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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.