Home / 87,064.20-130,596.30-27,942.30

Finding the Fourth Proportional to 87,064.20, 130,596.30 and 27,942.30

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Solution

The fourth proportional to 87,064.20, 130,596.30 and 27,942.30 is: 41,913.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,064.20 : 130,596.30 = 27,942.30 : x
  2. Step 2: Convert to fraction form
    87,064.20/130,596.30 = 27,942.30/x
  3. Step 3: Cross multiply
    87,064.20x = 130,596.30 × 27,942.30
  4. Step 4: Simplify right side
    87,064.20x = 3,649,160,993.49
  5. Step 5: Solve for x
    x = 3,649,160,993.49/87,064.20
  6. Step 6: Final answer
    x = 41,913.45

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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.