Home / 79,816.24-119,798.22-40,401.04

Finding the Fourth Proportional to 79,816.24, 119,798.22 and 40,401.04

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Solution

The fourth proportional to 79,816.24, 119,798.22 and 40,401.04 is: 60,638.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,816.24 : 119,798.22 = 40,401.04 : x
  2. Step 2: Convert to fraction form
    79,816.24/119,798.22 = 40,401.04/x
  3. Step 3: Cross multiply
    79,816.24x = 119,798.22 × 40,401.04
  4. Step 4: Simplify right side
    79,816.24x = 4,839,972,678.15
  5. Step 5: Solve for x
    x = 4,839,972,678.15/79,816.24
  6. Step 6: Final answer
    x = 60,638.95

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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.