Home / 66,212.44-91,375.40-37,531.76

Finding the Fourth Proportional to 66,212.44, 91,375.40 and 37,531.76

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Solution

The fourth proportional to 66,212.44, 91,375.40 and 37,531.76 is: 51,795.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,212.44 : 91,375.40 = 37,531.76 : x
  2. Step 2: Convert to fraction form
    66,212.44/91,375.40 = 37,531.76/x
  3. Step 3: Cross multiply
    66,212.44x = 91,375.40 × 37,531.76
  4. Step 4: Simplify right side
    66,212.44x = 3,429,479,219.66
  5. Step 5: Solve for x
    x = 3,429,479,219.66/66,212.44
  6. Step 6: Final answer
    x = 51,795.09

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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.