Home / 66,504.20-91,777.38-37,828.52

Finding the Fourth Proportional to 66,504.20, 91,777.38 and 37,828.52

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Solution

The fourth proportional to 66,504.20, 91,777.38 and 37,828.52 is: 52,204.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,504.20 : 91,777.38 = 37,828.52 : x
  2. Step 2: Convert to fraction form
    66,504.20/91,777.38 = 37,828.52/x
  3. Step 3: Cross multiply
    66,504.20x = 91,777.38 × 37,828.52
  4. Step 4: Simplify right side
    66,504.20x = 3,471,802,454.88
  5. Step 5: Solve for x
    x = 3,471,802,454.88/66,504.20
  6. Step 6: Final answer
    x = 52,204.26

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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.