Home / 75,187.60-103,769.94-43,350.28

Finding the Fourth Proportional to 75,187.60, 103,769.94 and 43,350.28

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Solution

The fourth proportional to 75,187.60, 103,769.94 and 43,350.28 is: 59,829.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,187.60 : 103,769.94 = 43,350.28 : x
  2. Step 2: Convert to fraction form
    75,187.60/103,769.94 = 43,350.28/x
  3. Step 3: Cross multiply
    75,187.60x = 103,769.94 × 43,350.28
  4. Step 4: Simplify right side
    75,187.60x = 4,498,455,954.58
  5. Step 5: Solve for x
    x = 4,498,455,954.58/75,187.60
  6. Step 6: Final answer
    x = 59,829.76

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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.