Home / 68,820-95,000.73-41,972.13

Finding the Fourth Proportional to 68,820, 95,000.73 and 41,972.13

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Solution

The fourth proportional to 68,820, 95,000.73 and 41,972.13 is: 57,939.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,820 : 95,000.73 = 41,972.13 : x
  2. Step 2: Convert to fraction form
    68,820/95,000.73 = 41,972.13/x
  3. Step 3: Cross multiply
    68,820x = 95,000.73 × 41,972.13
  4. Step 4: Simplify right side
    68,820x = 3,987,382,989.65
  5. Step 5: Solve for x
    x = 3,987,382,989.65/68,820
  6. Step 6: Final answer
    x = 57,939.31

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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.