Home / 91,207.34-125,867.37-50,374.21

Finding the Fourth Proportional to 91,207.34, 125,867.37 and 50,374.21

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Solution

The fourth proportional to 91,207.34, 125,867.37 and 50,374.21 is: 69,517.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,207.34 : 125,867.37 = 50,374.21 : x
  2. Step 2: Convert to fraction form
    91,207.34/125,867.37 = 50,374.21/x
  3. Step 3: Cross multiply
    91,207.34x = 125,867.37 × 50,374.21
  4. Step 4: Simplify right side
    91,207.34x = 6,340,469,328.53
  5. Step 5: Solve for x
    x = 6,340,469,328.53/91,207.34
  6. Step 6: Final answer
    x = 69,517.10

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1.5x scale

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.