Home / 87,647.87-131,377.04-34,999.49

Finding the Fourth Proportional to 87,647.87, 131,377.04 and 34,999.49

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Solution

The fourth proportional to 87,647.87, 131,377.04 and 34,999.49 is: 52,461.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,647.87 : 131,377.04 = 34,999.49 : x
  2. Step 2: Convert to fraction form
    87,647.87/131,377.04 = 34,999.49/x
  3. Step 3: Cross multiply
    87,647.87x = 131,377.04 × 34,999.49
  4. Step 4: Simplify right side
    87,647.87x = 4,598,129,682.40
  5. Step 5: Solve for x
    x = 4,598,129,682.40/87,647.87
  6. Step 6: Final answer
    x = 52,461.40

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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.