Home / 90,892.44-125,431.26-50,605.16

Finding the Fourth Proportional to 90,892.44, 125,431.26 and 50,605.16

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Solution

The fourth proportional to 90,892.44, 125,431.26 and 50,605.16 is: 69,834.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,892.44 : 125,431.26 = 50,605.16 : x
  2. Step 2: Convert to fraction form
    90,892.44/125,431.26 = 50,605.16/x
  3. Step 3: Cross multiply
    90,892.44x = 125,431.26 × 50,605.16
  4. Step 4: Simplify right side
    90,892.44x = 6,347,468,981.30
  5. Step 5: Solve for x
    x = 6,347,468,981.30/90,892.44
  6. Step 6: Final answer
    x = 69,834.95

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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.