Home / 75,284.31-103,891.64-41,292.10

Finding the Fourth Proportional to 75,284.31, 103,891.64 and 41,292.10

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Solution

The fourth proportional to 75,284.31, 103,891.64 and 41,292.10 is: 56,982.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,284.31 : 103,891.64 = 41,292.10 : x
  2. Step 2: Convert to fraction form
    75,284.31/103,891.64 = 41,292.10/x
  3. Step 3: Cross multiply
    75,284.31x = 103,891.64 × 41,292.10
  4. Step 4: Simplify right side
    75,284.31x = 4,289,903,988.04
  5. Step 5: Solve for x
    x = 4,289,903,988.04/75,284.31
  6. Step 6: Final answer
    x = 56,982.71

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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.