Home / 79,577.10-109,819.08-43,769.88

Finding the Fourth Proportional to 79,577.10, 109,819.08 and 43,769.88

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Solution

The fourth proportional to 79,577.10, 109,819.08 and 43,769.88 is: 60,403.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,577.10 : 109,819.08 = 43,769.88 : x
  2. Step 2: Convert to fraction form
    79,577.10/109,819.08 = 43,769.88/x
  3. Step 3: Cross multiply
    79,577.10x = 109,819.08 × 43,769.88
  4. Step 4: Simplify right side
    79,577.10x = 4,806,767,953.31
  5. Step 5: Solve for x
    x = 4,806,767,953.31/79,577.10
  6. Step 6: Final answer
    x = 60,403.91

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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.