Home / 91,301.85-125,989.38-50,464.26

Finding the Fourth Proportional to 91,301.85, 125,989.38 and 50,464.26

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Solution

The fourth proportional to 91,301.85, 125,989.38 and 50,464.26 is: 69,636.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,301.85 : 125,989.38 = 50,464.26 : x
  2. Step 2: Convert to fraction form
    91,301.85/125,989.38 = 50,464.26/x
  3. Step 3: Cross multiply
    91,301.85x = 125,989.38 × 50,464.26
  4. Step 4: Simplify right side
    91,301.85x = 6,357,960,829.56
  5. Step 5: Solve for x
    x = 6,357,960,829.56/91,301.85
  6. Step 6: Final answer
    x = 69,636.71

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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.