Home / 127,593.54-176,076.09-71,003.70

Finding the Fourth Proportional to 127,593.54, 176,076.09 and 71,003.70

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Solution

The fourth proportional to 127,593.54, 176,076.09 and 71,003.70 is: 97,983.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,593.54 : 176,076.09 = 71,003.70 : x
  2. Step 2: Convert to fraction form
    127,593.54/176,076.09 = 71,003.70/x
  3. Step 3: Cross multiply
    127,593.54x = 176,076.09 × 71,003.70
  4. Step 4: Simplify right side
    127,593.54x = 12,502,053,871.53
  5. Step 5: Solve for x
    x = 12,502,053,871.53/127,593.54
  6. Step 6: Final answer
    x = 97,983.44

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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.