Home / 107,973.20-161,911.20-41,391.20

Finding the Fourth Proportional to 107,973.20, 161,911.20 and 41,391.20

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Solution

The fourth proportional to 107,973.20, 161,911.20 and 41,391.20 is: 62,068.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,973.20 : 161,911.20 = 41,391.20 : x
  2. Step 2: Convert to fraction form
    107,973.20/161,911.20 = 41,391.20/x
  3. Step 3: Cross multiply
    107,973.20x = 161,911.20 × 41,391.20
  4. Step 4: Simplify right side
    107,973.20x = 6,701,698,861.44
  5. Step 5: Solve for x
    x = 6,701,698,861.44/107,973.20
  6. Step 6: Final answer
    x = 62,068.17

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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.