Home / 106,781.80-160,036.38-50,621.80

Finding the Fourth Proportional to 106,781.80, 160,036.38 and 50,621.80

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Solution

The fourth proportional to 106,781.80, 160,036.38 and 50,621.80 is: 75,868.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,781.80 : 160,036.38 = 50,621.80 : x
  2. Step 2: Convert to fraction form
    106,781.80/160,036.38 = 50,621.80/x
  3. Step 3: Cross multiply
    106,781.80x = 160,036.38 × 50,621.80
  4. Step 4: Simplify right side
    106,781.80x = 8,101,329,621.08
  5. Step 5: Solve for x
    x = 8,101,329,621.08/106,781.80
  6. Step 6: Final answer
    x = 75,868.08

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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.