Home / 52,718.33-79,077.56-13,275.15

Finding the Fourth Proportional to 52,718.33, 79,077.56 and 13,275.15

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Solution

The fourth proportional to 52,718.33, 79,077.56 and 13,275.15 is: 19,912.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,718.33 : 79,077.56 = 13,275.15 : x
  2. Step 2: Convert to fraction form
    52,718.33/79,077.56 = 13,275.15/x
  3. Step 3: Cross multiply
    52,718.33x = 79,077.56 × 13,275.15
  4. Step 4: Simplify right side
    52,718.33x = 1,049,766,404.26
  5. Step 5: Solve for x
    x = 1,049,766,404.26/52,718.33
  6. Step 6: Final answer
    x = 19,912.74

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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.