Home / 75,288.42-103,892.37-41,291.46

Finding the Fourth Proportional to 75,288.42, 103,892.37 and 41,291.46

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Solution

The fourth proportional to 75,288.42, 103,892.37 and 41,291.46 is: 56,979.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,288.42 : 103,892.37 = 41,291.46 : x
  2. Step 2: Convert to fraction form
    75,288.42/103,892.37 = 41,291.46/x
  3. Step 3: Cross multiply
    75,288.42x = 103,892.37 × 41,291.46
  4. Step 4: Simplify right side
    75,288.42x = 4,289,867,640.16
  5. Step 5: Solve for x
    x = 4,289,867,640.16/75,288.42
  6. Step 6: Final answer
    x = 56,979.12

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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.