Home / 71,415.92-98,557.48-39,584.94

Finding the Fourth Proportional to 71,415.92, 98,557.48 and 39,584.94

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Solution

The fourth proportional to 71,415.92, 98,557.48 and 39,584.94 is: 54,629.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,415.92 : 98,557.48 = 39,584.94 : x
  2. Step 2: Convert to fraction form
    71,415.92/98,557.48 = 39,584.94/x
  3. Step 3: Cross multiply
    71,415.92x = 98,557.48 × 39,584.94
  4. Step 4: Simplify right side
    71,415.92x = 3,901,391,932.35
  5. Step 5: Solve for x
    x = 3,901,391,932.35/71,415.92
  6. Step 6: Final answer
    x = 54,629.16

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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.