Home / 107,971.40-161,880.30-41,385.80

Finding the Fourth Proportional to 107,971.40, 161,880.30 and 41,385.80

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Solution

The fourth proportional to 107,971.40, 161,880.30 and 41,385.80 is: 62,049.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,971.40 : 161,880.30 = 41,385.80 : x
  2. Step 2: Convert to fraction form
    107,971.40/161,880.30 = 41,385.80/x
  3. Step 3: Cross multiply
    107,971.40x = 161,880.30 × 41,385.80
  4. Step 4: Simplify right side
    107,971.40x = 6,699,545,719.74
  5. Step 5: Solve for x
    x = 6,699,545,719.74/107,971.40
  6. Step 6: Final answer
    x = 62,049.26

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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.