Home / 87,948.75-131,923.13-38,700.75

Finding the Fourth Proportional to 87,948.75, 131,923.13 and 38,700.75

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Solution

The fourth proportional to 87,948.75, 131,923.13 and 38,700.75 is: 58,051.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,948.75 : 131,923.13 = 38,700.75 : x
  2. Step 2: Convert to fraction form
    87,948.75/131,923.13 = 38,700.75/x
  3. Step 3: Cross multiply
    87,948.75x = 131,923.13 × 38,700.75
  4. Step 4: Simplify right side
    87,948.75x = 5,105,523,879.84
  5. Step 5: Solve for x
    x = 5,105,523,879.84/87,948.75
  6. Step 6: Final answer
    x = 58,051.13

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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.