Home / 87,074.49-130,614.63-30,913.85

Finding the Fourth Proportional to 87,074.49, 130,614.63 and 30,913.85

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Solution

The fourth proportional to 87,074.49, 130,614.63 and 30,913.85 is: 46,371.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,074.49 : 130,614.63 = 30,913.85 : x
  2. Step 2: Convert to fraction form
    87,074.49/130,614.63 = 30,913.85/x
  3. Step 3: Cross multiply
    87,074.49x = 130,614.63 × 30,913.85
  4. Step 4: Simplify right side
    87,074.49x = 4,037,801,290.24
  5. Step 5: Solve for x
    x = 4,037,801,290.24/87,074.49
  6. Step 6: Final answer
    x = 46,371.80

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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.