Home / 51,868.08-71,573.76-29,512.08

Finding the Fourth Proportional to 51,868.08, 71,573.76 and 29,512.08

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Solution

The fourth proportional to 51,868.08, 71,573.76 and 29,512.08 is: 40,724.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,868.08 : 71,573.76 = 29,512.08 : x
  2. Step 2: Convert to fraction form
    51,868.08/71,573.76 = 29,512.08/x
  3. Step 3: Cross multiply
    51,868.08x = 71,573.76 × 29,512.08
  4. Step 4: Simplify right side
    51,868.08x = 2,112,290,531.02
  5. Step 5: Solve for x
    x = 2,112,290,531.02/51,868.08
  6. Step 6: Final answer
    x = 40,724.29

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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.