Home / 81,174.83-111,948.72-50,962.97

Finding the Fourth Proportional to 81,174.83, 111,948.72 and 50,962.97

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Solution

The fourth proportional to 81,174.83, 111,948.72 and 50,962.97 is: 70,283.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,174.83 : 111,948.72 = 50,962.97 : x
  2. Step 2: Convert to fraction form
    81,174.83/111,948.72 = 50,962.97/x
  3. Step 3: Cross multiply
    81,174.83x = 111,948.72 × 50,962.97
  4. Step 4: Simplify right side
    81,174.83x = 5,705,239,347.66
  5. Step 5: Solve for x
    x = 5,705,239,347.66/81,174.83
  6. Step 6: Final answer
    x = 70,283.36

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1.5x scale

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.