Home / 115,053.14-158,735.27-67,272.66

Finding the Fourth Proportional to 115,053.14, 158,735.27 and 67,272.66

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Solution

The fourth proportional to 115,053.14, 158,735.27 and 67,272.66 is: 92,814.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,053.14 : 158,735.27 = 67,272.66 : x
  2. Step 2: Convert to fraction form
    115,053.14/158,735.27 = 67,272.66/x
  3. Step 3: Cross multiply
    115,053.14x = 158,735.27 × 67,272.66
  4. Step 4: Simplify right side
    115,053.14x = 10,678,543,512.35
  5. Step 5: Solve for x
    x = 10,678,543,512.35/115,053.14
  6. Step 6: Final answer
    x = 92,814.02

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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.