Home / 91,255.22-125,930.87-50,969.54

Finding the Fourth Proportional to 91,255.22, 125,930.87 and 50,969.54

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Solution

The fourth proportional to 91,255.22, 125,930.87 and 50,969.54 is: 70,337.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,255.22 : 125,930.87 = 50,969.54 : x
  2. Step 2: Convert to fraction form
    91,255.22/125,930.87 = 50,969.54/x
  3. Step 3: Cross multiply
    91,255.22x = 125,930.87 × 50,969.54
  4. Step 4: Simplify right side
    91,255.22x = 6,418,637,631.20
  5. Step 5: Solve for x
    x = 6,418,637,631.20/91,255.22
  6. Step 6: Final answer
    x = 70,337.21

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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.