Home / 71,942.59-99,277.13-39,682.83

Finding the Fourth Proportional to 71,942.59, 99,277.13 and 39,682.83

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Solution

The fourth proportional to 71,942.59, 99,277.13 and 39,682.83 is: 54,760.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,942.59 : 99,277.13 = 39,682.83 : x
  2. Step 2: Convert to fraction form
    71,942.59/99,277.13 = 39,682.83/x
  3. Step 3: Cross multiply
    71,942.59x = 99,277.13 × 39,682.83
  4. Step 4: Simplify right side
    71,942.59x = 3,939,597,472.68
  5. Step 5: Solve for x
    x = 3,939,597,472.68/71,942.59
  6. Step 6: Final answer
    x = 54,760.30

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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.