Home / 107,157.69-160,767.81-47,979.51

Finding the Fourth Proportional to 107,157.69, 160,767.81 and 47,979.51

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Solution

The fourth proportional to 107,157.69, 160,767.81 and 47,979.51 is: 71,983.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,157.69 : 160,767.81 = 47,979.51 : x
  2. Step 2: Convert to fraction form
    107,157.69/160,767.81 = 47,979.51/x
  3. Step 3: Cross multiply
    107,157.69x = 160,767.81 × 47,979.51
  4. Step 4: Simplify right side
    107,157.69x = 7,713,560,747.57
  5. Step 5: Solve for x
    x = 7,713,560,747.57/107,157.69
  6. Step 6: Final answer
    x = 71,983.27

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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.