Home / 79,062.05-109,106.49-43,251.29

Finding the Fourth Proportional to 79,062.05, 109,106.49 and 43,251.29

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Solution

The fourth proportional to 79,062.05, 109,106.49 and 43,251.29 is: 59,687.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,062.05 : 109,106.49 = 43,251.29 : x
  2. Step 2: Convert to fraction form
    79,062.05/109,106.49 = 43,251.29/x
  3. Step 3: Cross multiply
    79,062.05x = 109,106.49 × 43,251.29
  4. Step 4: Simplify right side
    79,062.05x = 4,718,996,712.64
  5. Step 5: Solve for x
    x = 4,718,996,712.64/79,062.05
  6. Step 6: Final answer
    x = 59,687.25

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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.