Home / 76,219.04-114,369.87-31,849.70

Finding the Fourth Proportional to 76,219.04, 114,369.87 and 31,849.70

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Solution

The fourth proportional to 76,219.04, 114,369.87 and 31,849.70 is: 47,791.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,219.04 : 114,369.87 = 31,849.70 : x
  2. Step 2: Convert to fraction form
    76,219.04/114,369.87 = 31,849.70/x
  3. Step 3: Cross multiply
    76,219.04x = 114,369.87 × 31,849.70
  4. Step 4: Simplify right side
    76,219.04x = 3,642,646,048.54
  5. Step 5: Solve for x
    x = 3,642,646,048.54/76,219.04
  6. Step 6: Final answer
    x = 47,791.81

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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.