Home / 66,255.08-91,434.44-37,966.23

Finding the Fourth Proportional to 66,255.08, 91,434.44 and 37,966.23

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Solution

The fourth proportional to 66,255.08, 91,434.44 and 37,966.23 is: 52,394.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,255.08 : 91,434.44 = 37,966.23 : x
  2. Step 2: Convert to fraction form
    66,255.08/91,434.44 = 37,966.23/x
  3. Step 3: Cross multiply
    66,255.08x = 91,434.44 × 37,966.23
  4. Step 4: Simplify right side
    66,255.08x = 3,471,420,789.13
  5. Step 5: Solve for x
    x = 3,471,420,789.13/66,255.08
  6. Step 6: Final answer
    x = 52,394.79

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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.