Home / 66,377.56-91,600.32-38,087.68

Finding the Fourth Proportional to 66,377.56, 91,600.32 and 38,087.68

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Solution

The fourth proportional to 66,377.56, 91,600.32 and 38,087.68 is: 52,560.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,377.56 : 91,600.32 = 38,087.68 : x
  2. Step 2: Convert to fraction form
    66,377.56/91,600.32 = 38,087.68/x
  3. Step 3: Cross multiply
    66,377.56x = 91,600.32 × 38,087.68
  4. Step 4: Simplify right side
    66,377.56x = 3,488,843,676.06
  5. Step 5: Solve for x
    x = 3,488,843,676.06/66,377.56
  6. Step 6: Final answer
    x = 52,560.59

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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.