Home / 107,813.16-161,769.96-41,231.36

Finding the Fourth Proportional to 107,813.16, 161,769.96 and 41,231.36

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Solution

The fourth proportional to 107,813.16, 161,769.96 and 41,231.36 is: 61,866.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,813.16 : 161,769.96 = 41,231.36 : x
  2. Step 2: Convert to fraction form
    107,813.16/161,769.96 = 41,231.36/x
  3. Step 3: Cross multiply
    107,813.16x = 161,769.96 × 41,231.36
  4. Step 4: Simplify right side
    107,813.16x = 6,669,995,457.95
  5. Step 5: Solve for x
    x = 6,669,995,457.95/107,813.16
  6. Step 6: Final answer
    x = 61,866.25

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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.