Home / 79,695.04-109,979.87-43,885.19

Finding the Fourth Proportional to 79,695.04, 109,979.87 and 43,885.19

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Solution

The fourth proportional to 79,695.04, 109,979.87 and 43,885.19 is: 60,561.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,695.04 : 109,979.87 = 43,885.19 : x
  2. Step 2: Convert to fraction form
    79,695.04/109,979.87 = 43,885.19/x
  3. Step 3: Cross multiply
    79,695.04x = 109,979.87 × 43,885.19
  4. Step 4: Simplify right side
    79,695.04x = 4,826,487,491.13
  5. Step 5: Solve for x
    x = 4,826,487,491.13/79,695.04
  6. Step 6: Final answer
    x = 60,561.96

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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.