Home / 87,063.99-120,148.20-50,766.92

Finding the Fourth Proportional to 87,063.99, 120,148.20 and 50,766.92

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Solution

The fourth proportional to 87,063.99, 120,148.20 and 50,766.92 is: 70,058.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,063.99 : 120,148.20 = 50,766.92 : x
  2. Step 2: Convert to fraction form
    87,063.99/120,148.20 = 50,766.92/x
  3. Step 3: Cross multiply
    87,063.99x = 120,148.20 × 50,766.92
  4. Step 4: Simplify right side
    87,063.99x = 6,099,553,456.80
  5. Step 5: Solve for x
    x = 6,099,553,456.80/87,063.99
  6. Step 6: Final answer
    x = 70,058.28

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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.