Home / 66,460.24-91,694.88-37,777.76

Finding the Fourth Proportional to 66,460.24, 91,694.88 and 37,777.76

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Solution

The fourth proportional to 66,460.24, 91,694.88 and 37,777.76 is: 52,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,460.24 : 91,694.88 = 37,777.76 : x
  2. Step 2: Convert to fraction form
    66,460.24/91,694.88 = 37,777.76/x
  3. Step 3: Cross multiply
    66,460.24x = 91,694.88 × 37,777.76
  4. Step 4: Simplify right side
    66,460.24x = 3,464,027,169.87
  5. Step 5: Solve for x
    x = 3,464,027,169.87/66,460.24
  6. Step 6: Final answer
    x = 52,121.80

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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.