Home / 87,847.98-131,784.81-25,510.38

Finding the Fourth Proportional to 87,847.98, 131,784.81 and 25,510.38

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Solution

The fourth proportional to 87,847.98, 131,784.81 and 25,510.38 is: 38,269.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,847.98 : 131,784.81 = 25,510.38 : x
  2. Step 2: Convert to fraction form
    87,847.98/131,784.81 = 25,510.38/x
  3. Step 3: Cross multiply
    87,847.98x = 131,784.81 × 25,510.38
  4. Step 4: Simplify right side
    87,847.98x = 3,361,880,581.33
  5. Step 5: Solve for x
    x = 3,361,880,581.33/87,847.98
  6. Step 6: Final answer
    x = 38,269.30

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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.