Home / 80,860.23-111,596.99-49,029.03

Finding the Fourth Proportional to 80,860.23, 111,596.99 and 49,029.03

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Solution

The fourth proportional to 80,860.23, 111,596.99 and 49,029.03 is: 67,666.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,860.23 : 111,596.99 = 49,029.03 : x
  2. Step 2: Convert to fraction form
    80,860.23/111,596.99 = 49,029.03/x
  3. Step 3: Cross multiply
    80,860.23x = 111,596.99 × 49,029.03
  4. Step 4: Simplify right side
    80,860.23x = 5,471,491,925.47
  5. Step 5: Solve for x
    x = 5,471,491,925.47/80,860.23
  6. Step 6: Final answer
    x = 67,666.04

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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.