Home / 107,968.91-161,953.37-55,344.83

Finding the Fourth Proportional to 107,968.91, 161,953.37 and 55,344.83

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Solution

The fourth proportional to 107,968.91, 161,953.37 and 55,344.83 is: 83,017.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,968.91 : 161,953.37 = 55,344.83 : x
  2. Step 2: Convert to fraction form
    107,968.91/161,953.37 = 55,344.83/x
  3. Step 3: Cross multiply
    107,968.91x = 161,953.37 × 55,344.83
  4. Step 4: Simplify right side
    107,968.91x = 8,963,281,453.85
  5. Step 5: Solve for x
    x = 8,963,281,453.85/107,968.91
  6. Step 6: Final answer
    x = 83,017.25

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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.