Home / 71,579.84-98,772.96-41,789.12

Finding the Fourth Proportional to 71,579.84, 98,772.96 and 41,789.12

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Solution

The fourth proportional to 71,579.84, 98,772.96 and 41,789.12 is: 57,664.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,579.84 : 98,772.96 = 41,789.12 : x
  2. Step 2: Convert to fraction form
    71,579.84/98,772.96 = 41,789.12/x
  3. Step 3: Cross multiply
    71,579.84x = 98,772.96 × 41,789.12
  4. Step 4: Simplify right side
    71,579.84x = 4,127,635,078.20
  5. Step 5: Solve for x
    x = 4,127,635,078.20/71,579.84
  6. Step 6: Final answer
    x = 57,664.77

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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.