Home / 66,201.08-91,359.24-37,915.88

Finding the Fourth Proportional to 66,201.08, 91,359.24 and 37,915.88

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Solution

The fourth proportional to 66,201.08, 91,359.24 and 37,915.88 is: 52,324.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,201.08 : 91,359.24 = 37,915.88 : x
  2. Step 2: Convert to fraction form
    66,201.08/91,359.24 = 37,915.88/x
  3. Step 3: Cross multiply
    66,201.08x = 91,359.24 × 37,915.88
  4. Step 4: Simplify right side
    66,201.08x = 3,463,965,980.73
  5. Step 5: Solve for x
    x = 3,463,965,980.73/66,201.08
  6. Step 6: Final answer
    x = 52,324.92

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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.