Home / 61,678.96-85,112.82-34,822.60

Finding the Fourth Proportional to 61,678.96, 85,112.82 and 34,822.60

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Solution

The fourth proportional to 61,678.96, 85,112.82 and 34,822.60 is: 48,052.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,678.96 : 85,112.82 = 34,822.60 : x
  2. Step 2: Convert to fraction form
    61,678.96/85,112.82 = 34,822.60/x
  3. Step 3: Cross multiply
    61,678.96x = 85,112.82 × 34,822.60
  4. Step 4: Simplify right side
    61,678.96x = 2,963,849,685.73
  5. Step 5: Solve for x
    x = 2,963,849,685.73/61,678.96
  6. Step 6: Final answer
    x = 48,052.85

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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.