Home / 109,942.85-151,721.42-59,641.85

Finding the Fourth Proportional to 109,942.85, 151,721.42 and 59,641.85

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Solution

The fourth proportional to 109,942.85, 151,721.42 and 59,641.85 is: 82,305.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,942.85 : 151,721.42 = 59,641.85 : x
  2. Step 2: Convert to fraction form
    109,942.85/151,721.42 = 59,641.85/x
  3. Step 3: Cross multiply
    109,942.85x = 151,721.42 × 59,641.85
  4. Step 4: Simplify right side
    109,942.85x = 9,048,945,340.27
  5. Step 5: Solve for x
    x = 9,048,945,340.27/109,942.85
  6. Step 6: Final answer
    x = 82,305.90

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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.