Home / 79,301.25-109,425.74-43,481.84

Finding the Fourth Proportional to 79,301.25, 109,425.74 and 43,481.84

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Solution

The fourth proportional to 79,301.25, 109,425.74 and 43,481.84 is: 59,999.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,301.25 : 109,425.74 = 43,481.84 : x
  2. Step 2: Convert to fraction form
    79,301.25/109,425.74 = 43,481.84/x
  3. Step 3: Cross multiply
    79,301.25x = 109,425.74 × 43,481.84
  4. Step 4: Simplify right side
    79,301.25x = 4,758,031,754.02
  5. Step 5: Solve for x
    x = 4,758,031,754.02/79,301.25
  6. Step 6: Final answer
    x = 59,999.45

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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.