Home / 106,974.80-160,462.20-40,417.10

Finding the Fourth Proportional to 106,974.80, 160,462.20 and 40,417.10

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Solution

The fourth proportional to 106,974.80, 160,462.20 and 40,417.10 is: 60,625.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,974.80 : 160,462.20 = 40,417.10 : x
  2. Step 2: Convert to fraction form
    106,974.80/160,462.20 = 40,417.10/x
  3. Step 3: Cross multiply
    106,974.80x = 160,462.20 × 40,417.10
  4. Step 4: Simplify right side
    106,974.80x = 6,485,416,783.62
  5. Step 5: Solve for x
    x = 6,485,416,783.62/106,974.80
  6. Step 6: Final answer
    x = 60,625.65

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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.