Home / 52,211.25-78,330.24-17,151.21

Finding the Fourth Proportional to 52,211.25, 78,330.24 and 17,151.21

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Solution

The fourth proportional to 52,211.25, 78,330.24 and 17,151.21 is: 25,731.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,211.25 : 78,330.24 = 17,151.21 : x
  2. Step 2: Convert to fraction form
    52,211.25/78,330.24 = 17,151.21/x
  3. Step 3: Cross multiply
    52,211.25x = 78,330.24 × 17,151.21
  4. Step 4: Simplify right side
    52,211.25x = 1,343,458,395.59
  5. Step 5: Solve for x
    x = 1,343,458,395.59/52,211.25
  6. Step 6: Final answer
    x = 25,731.21

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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.