Home / 68,046.21-93,873.47-39,739.41

Finding the Fourth Proportional to 68,046.21, 93,873.47 and 39,739.41

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Solution

The fourth proportional to 68,046.21, 93,873.47 and 39,739.41 is: 54,822.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,046.21 : 93,873.47 = 39,739.41 : x
  2. Step 2: Convert to fraction form
    68,046.21/93,873.47 = 39,739.41/x
  3. Step 3: Cross multiply
    68,046.21x = 93,873.47 × 39,739.41
  4. Step 4: Simplify right side
    68,046.21x = 3,730,476,113.76
  5. Step 5: Solve for x
    x = 3,730,476,113.76/68,046.21
  6. Step 6: Final answer
    x = 54,822.69

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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.