Home / 75,112.22-103,654.86-41,120.60

Finding the Fourth Proportional to 75,112.22, 103,654.86 and 41,120.60

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Solution

The fourth proportional to 75,112.22, 103,654.86 and 41,120.60 is: 56,746.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,112.22 : 103,654.86 = 41,120.60 : x
  2. Step 2: Convert to fraction form
    75,112.22/103,654.86 = 41,120.60/x
  3. Step 3: Cross multiply
    75,112.22x = 103,654.86 × 41,120.60
  4. Step 4: Simplify right side
    75,112.22x = 4,262,349,946.70
  5. Step 5: Solve for x
    x = 4,262,349,946.70/75,112.22
  6. Step 6: Final answer
    x = 56,746.42

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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.