Home / 51,260.78-70,743.04-28,599.82

Finding the Fourth Proportional to 51,260.78, 70,743.04 and 28,599.82

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Solution

The fourth proportional to 51,260.78, 70,743.04 and 28,599.82 is: 39,469.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,260.78 : 70,743.04 = 28,599.82 : x
  2. Step 2: Convert to fraction form
    51,260.78/70,743.04 = 28,599.82/x
  3. Step 3: Cross multiply
    51,260.78x = 70,743.04 × 28,599.82
  4. Step 4: Simplify right side
    51,260.78x = 2,023,237,961.90
  5. Step 5: Solve for x
    x = 2,023,237,961.90/51,260.78
  6. Step 6: Final answer
    x = 39,469.51

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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.