Home / 75,495.39-113,253.96-28,106.46

Finding the Fourth Proportional to 75,495.39, 113,253.96 and 28,106.46

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Solution

The fourth proportional to 75,495.39, 113,253.96 and 28,106.46 is: 42,163.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,495.39 : 113,253.96 = 28,106.46 : x
  2. Step 2: Convert to fraction form
    75,495.39/113,253.96 = 28,106.46/x
  3. Step 3: Cross multiply
    75,495.39x = 113,253.96 × 28,106.46
  4. Step 4: Simplify right side
    75,495.39x = 3,183,167,896.58
  5. Step 5: Solve for x
    x = 3,183,167,896.58/75,495.39
  6. Step 6: Final answer
    x = 42,163.74

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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.