Home / 81,035.72-111,834.90-45,232.73

Finding the Fourth Proportional to 81,035.72, 111,834.90 and 45,232.73

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Solution

The fourth proportional to 81,035.72, 111,834.90 and 45,232.73 is: 62,424.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,035.72 : 111,834.90 = 45,232.73 : x
  2. Step 2: Convert to fraction form
    81,035.72/111,834.90 = 45,232.73/x
  3. Step 3: Cross multiply
    81,035.72x = 111,834.90 × 45,232.73
  4. Step 4: Simplify right side
    81,035.72x = 5,058,597,277.10
  5. Step 5: Solve for x
    x = 5,058,597,277.10/81,035.72
  6. Step 6: Final answer
    x = 62,424.29

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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.