Home / 79,579.01-109,820.96-43,769.92

Finding the Fourth Proportional to 79,579.01, 109,820.96 and 43,769.92

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Solution

The fourth proportional to 79,579.01, 109,820.96 and 43,769.92 is: 60,403.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,579.01 : 109,820.96 = 43,769.92 : x
  2. Step 2: Convert to fraction form
    79,579.01/109,820.96 = 43,769.92/x
  3. Step 3: Cross multiply
    79,579.01x = 109,820.96 × 43,769.92
  4. Step 4: Simplify right side
    79,579.01x = 4,806,854,756.38
  5. Step 5: Solve for x
    x = 4,806,854,756.38/79,579.01
  6. Step 6: Final answer
    x = 60,403.55

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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.