Home / 70,140.24-96,791.97-38,309.25

Finding the Fourth Proportional to 70,140.24, 96,791.97 and 38,309.25

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Solution

The fourth proportional to 70,140.24, 96,791.97 and 38,309.25 is: 52,865.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,140.24 : 96,791.97 = 38,309.25 : x
  2. Step 2: Convert to fraction form
    70,140.24/96,791.97 = 38,309.25/x
  3. Step 3: Cross multiply
    70,140.24x = 96,791.97 × 38,309.25
  4. Step 4: Simplify right side
    70,140.24x = 3,708,027,776.72
  5. Step 5: Solve for x
    x = 3,708,027,776.72/70,140.24
  6. Step 6: Final answer
    x = 52,865.91

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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.