Home / 69,876.24-96,542.28-48,749.82

Finding the Fourth Proportional to 69,876.24, 96,542.28 and 48,749.82

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Solution

The fourth proportional to 69,876.24, 96,542.28 and 48,749.82 is: 67,353.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,876.24 : 96,542.28 = 48,749.82 : x
  2. Step 2: Convert to fraction form
    69,876.24/96,542.28 = 48,749.82/x
  3. Step 3: Cross multiply
    69,876.24x = 96,542.28 × 48,749.82
  4. Step 4: Simplify right side
    69,876.24x = 4,706,418,772.39
  5. Step 5: Solve for x
    x = 4,706,418,772.39/69,876.24
  6. Step 6: Final answer
    x = 67,353.64

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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.