Home / 66,507.45-91,782.24-36,294.73

Finding the Fourth Proportional to 66,507.45, 91,782.24 and 36,294.73

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Solution

The fourth proportional to 66,507.45, 91,782.24 and 36,294.73 is: 50,087.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,507.45 : 91,782.24 = 36,294.73 : x
  2. Step 2: Convert to fraction form
    66,507.45/91,782.24 = 36,294.73/x
  3. Step 3: Cross multiply
    66,507.45x = 91,782.24 × 36,294.73
  4. Step 4: Simplify right side
    66,507.45x = 3,331,211,156.32
  5. Step 5: Solve for x
    x = 3,331,211,156.32/66,507.45
  6. Step 6: Final answer
    x = 50,087.79

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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.