Home / 90,662.57-125,112.07-50,376.44

Finding the Fourth Proportional to 90,662.57, 125,112.07 and 50,376.44

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Solution

The fourth proportional to 90,662.57, 125,112.07 and 50,376.44 is: 69,518.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,662.57 : 125,112.07 = 50,376.44 : x
  2. Step 2: Convert to fraction form
    90,662.57/125,112.07 = 50,376.44/x
  3. Step 3: Cross multiply
    90,662.57x = 125,112.07 × 50,376.44
  4. Step 4: Simplify right side
    90,662.57x = 6,302,700,188.01
  5. Step 5: Solve for x
    x = 6,302,700,188.01/90,662.57
  6. Step 6: Final answer
    x = 69,518.22

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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.