Home / 109,453.24-151,044.33-61,722.01

Finding the Fourth Proportional to 109,453.24, 151,044.33 and 61,722.01

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Solution

The fourth proportional to 109,453.24, 151,044.33 and 61,722.01 is: 85,175.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,453.24 : 151,044.33 = 61,722.01 : x
  2. Step 2: Convert to fraction form
    109,453.24/151,044.33 = 61,722.01/x
  3. Step 3: Cross multiply
    109,453.24x = 151,044.33 × 61,722.01
  4. Step 4: Simplify right side
    109,453.24x = 9,322,759,646.70
  5. Step 5: Solve for x
    x = 9,322,759,646.70/109,453.24
  6. Step 6: Final answer
    x = 85,175.73

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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.