Home / 66,127.73-91,255.91-35,912.79

Finding the Fourth Proportional to 66,127.73, 91,255.91 and 35,912.79

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Solution

The fourth proportional to 66,127.73, 91,255.91 and 35,912.79 is: 49,559.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,127.73 : 91,255.91 = 35,912.79 : x
  2. Step 2: Convert to fraction form
    66,127.73/91,255.91 = 35,912.79/x
  3. Step 3: Cross multiply
    66,127.73x = 91,255.91 × 35,912.79
  4. Step 4: Simplify right side
    66,127.73x = 3,277,254,152.52
  5. Step 5: Solve for x
    x = 3,277,254,152.52/66,127.73
  6. Step 6: Final answer
    x = 49,559.46

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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.