Home / 66,127.21-91,255.67-35,912.18

Finding the Fourth Proportional to 66,127.21, 91,255.67 and 35,912.18

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Solution

The fourth proportional to 66,127.21, 91,255.67 and 35,912.18 is: 49,558.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,127.21 : 91,255.67 = 35,912.18 : x
  2. Step 2: Convert to fraction form
    66,127.21/91,255.67 = 35,912.18/x
  3. Step 3: Cross multiply
    66,127.21x = 91,255.67 × 35,912.18
  4. Step 4: Simplify right side
    66,127.21x = 3,277,190,047.06
  5. Step 5: Solve for x
    x = 3,277,190,047.06/66,127.21
  6. Step 6: Final answer
    x = 49,558.87

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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.