Home / 71,584.64-98,786.88-39,753.60

Finding the Fourth Proportional to 71,584.64, 98,786.88 and 39,753.60

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Solution

The fourth proportional to 71,584.64, 98,786.88 and 39,753.60 is: 54,860.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,584.64 : 98,786.88 = 39,753.60 : x
  2. Step 2: Convert to fraction form
    71,584.64/98,786.88 = 39,753.60/x
  3. Step 3: Cross multiply
    71,584.64x = 98,786.88 × 39,753.60
  4. Step 4: Simplify right side
    71,584.64x = 3,927,134,112.77
  5. Step 5: Solve for x
    x = 3,927,134,112.77/71,584.64
  6. Step 6: Final answer
    x = 54,860.01

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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.