Home / 87,416.60-131,048.10-52,370.20

Finding the Fourth Proportional to 87,416.60, 131,048.10 and 52,370.20

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Solution

The fourth proportional to 87,416.60, 131,048.10 and 52,370.20 is: 78,509.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,416.60 : 131,048.10 = 52,370.20 : x
  2. Step 2: Convert to fraction form
    87,416.60/131,048.10 = 52,370.20/x
  3. Step 3: Cross multiply
    87,416.60x = 131,048.10 × 52,370.20
  4. Step 4: Simplify right side
    87,416.60x = 6,863,015,206.62
  5. Step 5: Solve for x
    x = 6,863,015,206.62/87,416.60
  6. Step 6: Final answer
    x = 78,509.29

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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.