Home / 77,760.94-116,674.20-38,318.38

Finding the Fourth Proportional to 77,760.94, 116,674.20 and 38,318.38

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Solution

The fourth proportional to 77,760.94, 116,674.20 and 38,318.38 is: 57,493.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,760.94 : 116,674.20 = 38,318.38 : x
  2. Step 2: Convert to fraction form
    77,760.94/116,674.20 = 38,318.38/x
  3. Step 3: Cross multiply
    77,760.94x = 116,674.20 × 38,318.38
  4. Step 4: Simplify right side
    77,760.94x = 4,470,766,331.80
  5. Step 5: Solve for x
    x = 4,470,766,331.80/77,760.94
  6. Step 6: Final answer
    x = 57,493.73

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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.