Home / 79,610.34-109,862.28-43,799.60

Finding the Fourth Proportional to 79,610.34, 109,862.28 and 43,799.60

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Solution

The fourth proportional to 79,610.34, 109,862.28 and 43,799.60 is: 60,443.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,610.34 : 109,862.28 = 43,799.60 : x
  2. Step 2: Convert to fraction form
    79,610.34/109,862.28 = 43,799.60/x
  3. Step 3: Cross multiply
    79,610.34x = 109,862.28 × 43,799.60
  4. Step 4: Simplify right side
    79,610.34x = 4,811,923,919.09
  5. Step 5: Solve for x
    x = 4,811,923,919.09/79,610.34
  6. Step 6: Final answer
    x = 60,443.45

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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.