Home / 62,821.66-86,664.98-38,600.64

Finding the Fourth Proportional to 62,821.66, 86,664.98 and 38,600.64

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Solution

The fourth proportional to 62,821.66, 86,664.98 and 38,600.64 is: 53,251.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,821.66 : 86,664.98 = 38,600.64 : x
  2. Step 2: Convert to fraction form
    62,821.66/86,664.98 = 38,600.64/x
  3. Step 3: Cross multiply
    62,821.66x = 86,664.98 × 38,600.64
  4. Step 4: Simplify right side
    62,821.66x = 3,345,323,693.59
  5. Step 5: Solve for x
    x = 3,345,323,693.59/62,821.66
  6. Step 6: Final answer
    x = 53,251.12

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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.