Home / 62,142.19-85,728.91-41,991.73

Finding the Fourth Proportional to 62,142.19, 85,728.91 and 41,991.73

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Solution

The fourth proportional to 62,142.19, 85,728.91 and 41,991.73 is: 57,930.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,142.19 : 85,728.91 = 41,991.73 : x
  2. Step 2: Convert to fraction form
    62,142.19/85,728.91 = 41,991.73/x
  3. Step 3: Cross multiply
    62,142.19x = 85,728.91 × 41,991.73
  4. Step 4: Simplify right side
    62,142.19x = 3,599,905,241.91
  5. Step 5: Solve for x
    x = 3,599,905,241.91/62,142.19
  6. Step 6: Final answer
    x = 57,930.13

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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.