Home / 81,174.70-111,948.56-50,962.84

Finding the Fourth Proportional to 81,174.70, 111,948.56 and 50,962.84

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Solution

The fourth proportional to 81,174.70, 111,948.56 and 50,962.84 is: 70,283.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,174.70 : 111,948.56 = 50,962.84 : x
  2. Step 2: Convert to fraction form
    81,174.70/111,948.56 = 50,962.84/x
  3. Step 3: Cross multiply
    81,174.70x = 111,948.56 × 50,962.84
  4. Step 4: Simplify right side
    81,174.70x = 5,705,216,296.70
  5. Step 5: Solve for x
    x = 5,705,216,296.70/81,174.70
  6. Step 6: Final answer
    x = 70,283.18

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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.