Home / 113,979.18-170,864.22-43,805.64

Finding the Fourth Proportional to 113,979.18, 170,864.22 and 43,805.64

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Solution

The fourth proportional to 113,979.18, 170,864.22 and 43,805.64 is: 65,668.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,979.18 : 170,864.22 = 43,805.64 : x
  2. Step 2: Convert to fraction form
    113,979.18/170,864.22 = 43,805.64/x
  3. Step 3: Cross multiply
    113,979.18x = 170,864.22 × 43,805.64
  4. Step 4: Simplify right side
    113,979.18x = 7,484,816,510.20
  5. Step 5: Solve for x
    x = 7,484,816,510.20/113,979.18
  6. Step 6: Final answer
    x = 65,668.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.