Home / 115,733.38-159,723.97-70,414.58

Finding the Fourth Proportional to 115,733.38, 159,723.97 and 70,414.58

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Solution

The fourth proportional to 115,733.38, 159,723.97 and 70,414.58 is: 97,179.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,733.38 : 159,723.97 = 70,414.58 : x
  2. Step 2: Convert to fraction form
    115,733.38/159,723.97 = 70,414.58/x
  3. Step 3: Cross multiply
    115,733.38x = 159,723.97 × 70,414.58
  4. Step 4: Simplify right side
    115,733.38x = 11,246,896,263.48
  5. Step 5: Solve for x
    x = 11,246,896,263.48/115,733.38
  6. Step 6: Final answer
    x = 97,179.36

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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.