Home / 111,545.25-167,285.07-32,640.72

Finding the Fourth Proportional to 111,545.25, 167,285.07 and 32,640.72

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Solution

The fourth proportional to 111,545.25, 167,285.07 and 32,640.72 is: 48,951.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,545.25 : 167,285.07 = 32,640.72 : x
  2. Step 2: Convert to fraction form
    111,545.25/167,285.07 = 32,640.72/x
  3. Step 3: Cross multiply
    111,545.25x = 167,285.07 × 32,640.72
  4. Step 4: Simplify right side
    111,545.25x = 5,460,305,130.05
  5. Step 5: Solve for x
    x = 5,460,305,130.05/111,545.25
  6. Step 6: Final answer
    x = 48,951.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.