Home / 52,820.28-79,223.67-17,278.56

Finding the Fourth Proportional to 52,820.28, 79,223.67 and 17,278.56

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Solution

The fourth proportional to 52,820.28, 79,223.67 and 17,278.56 is: 25,915.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,820.28 : 79,223.67 = 17,278.56 : x
  2. Step 2: Convert to fraction form
    52,820.28/79,223.67 = 17,278.56/x
  3. Step 3: Cross multiply
    52,820.28x = 79,223.67 × 17,278.56
  4. Step 4: Simplify right side
    52,820.28x = 1,368,870,935.52
  5. Step 5: Solve for x
    x = 1,368,870,935.52/52,820.28
  6. Step 6: Final answer
    x = 25,915.63

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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.