Home / 76,049.82-104,950.08-42,057.78

Finding the Fourth Proportional to 76,049.82, 104,950.08 and 42,057.78

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Solution

The fourth proportional to 76,049.82, 104,950.08 and 42,057.78 is: 58,040.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,049.82 : 104,950.08 = 42,057.78 : x
  2. Step 2: Convert to fraction form
    76,049.82/104,950.08 = 42,057.78/x
  3. Step 3: Cross multiply
    76,049.82x = 104,950.08 × 42,057.78
  4. Step 4: Simplify right side
    76,049.82x = 4,413,967,375.62
  5. Step 5: Solve for x
    x = 4,413,967,375.62/76,049.82
  6. Step 6: Final answer
    x = 58,040.47

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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.