Home / 75,917.10-113,891.70-28,532.61

Finding the Fourth Proportional to 75,917.10, 113,891.70 and 28,532.61

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Solution

The fourth proportional to 75,917.10, 113,891.70 and 28,532.61 is: 42,804.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,917.10 : 113,891.70 = 28,532.61 : x
  2. Step 2: Convert to fraction form
    75,917.10/113,891.70 = 28,532.61/x
  3. Step 3: Cross multiply
    75,917.10x = 113,891.70 × 28,532.61
  4. Step 4: Simplify right side
    75,917.10x = 3,249,627,458.34
  5. Step 5: Solve for x
    x = 3,249,627,458.34/75,917.10
  6. Step 6: Final answer
    x = 42,804.95

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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.