Home / 106,945.52-160,362.91-57,012.20

Finding the Fourth Proportional to 106,945.52, 160,362.91 and 57,012.20

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Solution

The fourth proportional to 106,945.52, 160,362.91 and 57,012.20 is: 85,488.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,945.52 : 160,362.91 = 57,012.20 : x
  2. Step 2: Convert to fraction form
    106,945.52/160,362.91 = 57,012.20/x
  3. Step 3: Cross multiply
    106,945.52x = 160,362.91 × 57,012.20
  4. Step 4: Simplify right side
    106,945.52x = 9,142,642,012.44
  5. Step 5: Solve for x
    x = 9,142,642,012.44/106,945.52
  6. Step 6: Final answer
    x = 85,488.78

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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.