Home / 75,142.22-103,698.19-41,152.58

Finding the Fourth Proportional to 75,142.22, 103,698.19 and 41,152.58

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Solution

The fourth proportional to 75,142.22, 103,698.19 and 41,152.58 is: 56,791.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,142.22 : 103,698.19 = 41,152.58 : x
  2. Step 2: Convert to fraction form
    75,142.22/103,698.19 = 41,152.58/x
  3. Step 3: Cross multiply
    75,142.22x = 103,698.19 × 41,152.58
  4. Step 4: Simplify right side
    75,142.22x = 4,267,448,059.83
  5. Step 5: Solve for x
    x = 4,267,448,059.83/75,142.22
  6. Step 6: Final answer
    x = 56,791.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.