Home / 52,148.91-71,965.49-28,275.57

Finding the Fourth Proportional to 52,148.91, 71,965.49 and 28,275.57

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Solution

The fourth proportional to 52,148.91, 71,965.49 and 28,275.57 is: 39,020.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,148.91 : 71,965.49 = 28,275.57 : x
  2. Step 2: Convert to fraction form
    52,148.91/71,965.49 = 28,275.57/x
  3. Step 3: Cross multiply
    52,148.91x = 71,965.49 × 28,275.57
  4. Step 4: Simplify right side
    52,148.91x = 2,034,865,590.64
  5. Step 5: Solve for x
    x = 2,034,865,590.64/52,148.91
  6. Step 6: Final answer
    x = 39,020.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.