Home / 81,032.23-111,821.54-44,732.90

Finding the Fourth Proportional to 81,032.23, 111,821.54 and 44,732.90

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Solution

The fourth proportional to 81,032.23, 111,821.54 and 44,732.90 is: 61,729.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,032.23 : 111,821.54 = 44,732.90 : x
  2. Step 2: Convert to fraction form
    81,032.23/111,821.54 = 44,732.90/x
  3. Step 3: Cross multiply
    81,032.23x = 111,821.54 × 44,732.90
  4. Step 4: Simplify right side
    81,032.23x = 5,002,101,598.94
  5. Step 5: Solve for x
    x = 5,002,101,598.94/81,032.23
  6. Step 6: Final answer
    x = 61,729.78

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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.