Home / 71,037.82-98,032.39-38,772.73

Finding the Fourth Proportional to 71,037.82, 98,032.39 and 38,772.73

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Solution

The fourth proportional to 71,037.82, 98,032.39 and 38,772.73 is: 53,506.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,037.82 : 98,032.39 = 38,772.73 : x
  2. Step 2: Convert to fraction form
    71,037.82/98,032.39 = 38,772.73/x
  3. Step 3: Cross multiply
    71,037.82x = 98,032.39 × 38,772.73
  4. Step 4: Simplify right side
    71,037.82x = 3,800,983,388.72
  5. Step 5: Solve for x
    x = 3,800,983,388.72/71,037.82
  6. Step 6: Final answer
    x = 53,506.48

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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.