Home / 109,824.44-151,556.70-61,425.78

Finding the Fourth Proportional to 109,824.44, 151,556.70 and 61,425.78

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Solution

The fourth proportional to 109,824.44, 151,556.70 and 61,425.78 is: 84,767.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,824.44 : 151,556.70 = 61,425.78 : x
  2. Step 2: Convert to fraction form
    109,824.44/151,556.70 = 61,425.78/x
  3. Step 3: Cross multiply
    109,824.44x = 151,556.70 × 61,425.78
  4. Step 4: Simplify right side
    109,824.44x = 9,309,488,173.74
  5. Step 5: Solve for x
    x = 9,309,488,173.74/109,824.44
  6. Step 6: Final answer
    x = 84,767.00

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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.