Home / 75,316.11-103,932.78-41,323.86

Finding the Fourth Proportional to 75,316.11, 103,932.78 and 41,323.86

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Solution

The fourth proportional to 75,316.11, 103,932.78 and 41,323.86 is: 57,025.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,316.11 : 103,932.78 = 41,323.86 : x
  2. Step 2: Convert to fraction form
    75,316.11/103,932.78 = 41,323.86/x
  3. Step 3: Cross multiply
    75,316.11x = 103,932.78 × 41,323.86
  4. Step 4: Simplify right side
    75,316.11x = 4,294,903,650.13
  5. Step 5: Solve for x
    x = 4,294,903,650.13/75,316.11
  6. Step 6: Final answer
    x = 57,025.03

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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.