Home / 79,497.16-109,705.38-43,198.22

Finding the Fourth Proportional to 79,497.16, 109,705.38 and 43,198.22

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Solution

The fourth proportional to 79,497.16, 109,705.38 and 43,198.22 is: 59,613.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,497.16 : 109,705.38 = 43,198.22 : x
  2. Step 2: Convert to fraction form
    79,497.16/109,705.38 = 43,198.22/x
  3. Step 3: Cross multiply
    79,497.16x = 109,705.38 × 43,198.22
  4. Step 4: Simplify right side
    79,497.16x = 4,739,077,140.42
  5. Step 5: Solve for x
    x = 4,739,077,140.42/79,497.16
  6. Step 6: Final answer
    x = 59,613.16

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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.