Home / 90,662.32-125,111.73-50,376.18

Finding the Fourth Proportional to 90,662.32, 125,111.73 and 50,376.18

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Solution

The fourth proportional to 90,662.32, 125,111.73 and 50,376.18 is: 69,517.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,662.32 : 125,111.73 = 50,376.18 : x
  2. Step 2: Convert to fraction form
    90,662.32/125,111.73 = 50,376.18/x
  3. Step 3: Cross multiply
    90,662.32x = 125,111.73 × 50,376.18
  4. Step 4: Simplify right side
    90,662.32x = 6,302,651,334.46
  5. Step 5: Solve for x
    x = 6,302,651,334.46/90,662.32
  6. Step 6: Final answer
    x = 69,517.87

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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.