Home / 61,621.53-85,037.72-33,327.21

Finding the Fourth Proportional to 61,621.53, 85,037.72 and 33,327.21

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Solution

The fourth proportional to 61,621.53, 85,037.72 and 33,327.21 is: 45,991.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,621.53 : 85,037.72 = 33,327.21 : x
  2. Step 2: Convert to fraction form
    61,621.53/85,037.72 = 33,327.21/x
  3. Step 3: Cross multiply
    61,621.53x = 85,037.72 × 33,327.21
  4. Step 4: Simplify right side
    61,621.53x = 2,834,069,785.73
  5. Step 5: Solve for x
    x = 2,834,069,785.73/61,621.53
  6. Step 6: Final answer
    x = 45,991.55

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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.