Home / 66,331.85-91,537.09-36,116.82

Finding the Fourth Proportional to 66,331.85, 91,537.09 and 36,116.82

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Solution

The fourth proportional to 66,331.85, 91,537.09 and 36,116.82 is: 49,840.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,331.85 : 91,537.09 = 36,116.82 : x
  2. Step 2: Convert to fraction form
    66,331.85/91,537.09 = 36,116.82/x
  3. Step 3: Cross multiply
    66,331.85x = 91,537.09 × 36,116.82
  4. Step 4: Simplify right side
    66,331.85x = 3,306,028,512.56
  5. Step 5: Solve for x
    x = 3,306,028,512.56/66,331.85
  6. Step 6: Final answer
    x = 49,840.74

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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.