Home / 91,243.25-125,914.43-50,957.72

Finding the Fourth Proportional to 91,243.25, 125,914.43 and 50,957.72

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Solution

The fourth proportional to 91,243.25, 125,914.43 and 50,957.72 is: 70,320.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,243.25 : 125,914.43 = 50,957.72 : x
  2. Step 2: Convert to fraction form
    91,243.25/125,914.43 = 50,957.72/x
  3. Step 3: Cross multiply
    91,243.25x = 125,914.43 × 50,957.72
  4. Step 4: Simplify right side
    91,243.25x = 6,416,311,765.72
  5. Step 5: Solve for x
    x = 6,416,311,765.72/91,243.25
  6. Step 6: Final answer
    x = 70,320.95

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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.