Home / 84,174.20-116,172.98-53,993.56

Finding the Fourth Proportional to 84,174.20, 116,172.98 and 53,993.56

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Solution

The fourth proportional to 84,174.20, 116,172.98 and 53,993.56 is: 74,519.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,174.20 : 116,172.98 = 53,993.56 : x
  2. Step 2: Convert to fraction form
    84,174.20/116,172.98 = 53,993.56/x
  3. Step 3: Cross multiply
    84,174.20x = 116,172.98 × 53,993.56
  4. Step 4: Simplify right side
    84,174.20x = 6,272,592,766.01
  5. Step 5: Solve for x
    x = 6,272,592,766.01/84,174.20
  6. Step 6: Final answer
    x = 74,519.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.