Home / 107,942.16-161,985.12-37,821.36

Finding the Fourth Proportional to 107,942.16, 161,985.12 and 37,821.36

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Solution

The fourth proportional to 107,942.16, 161,985.12 and 37,821.36 is: 56,757.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,942.16 : 161,985.12 = 37,821.36 : x
  2. Step 2: Convert to fraction form
    107,942.16/161,985.12 = 37,821.36/x
  3. Step 3: Cross multiply
    107,942.16x = 161,985.12 × 37,821.36
  4. Step 4: Simplify right side
    107,942.16x = 6,126,497,538.16
  5. Step 5: Solve for x
    x = 6,126,497,538.16/107,942.16
  6. Step 6: Final answer
    x = 56,757.23

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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.