Home / 63,621.76-87,800.40-34,942.60

Finding the Fourth Proportional to 63,621.76, 87,800.40 and 34,942.60

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Solution

The fourth proportional to 63,621.76, 87,800.40 and 34,942.60 is: 48,222.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,621.76 : 87,800.40 = 34,942.60 : x
  2. Step 2: Convert to fraction form
    63,621.76/87,800.40 = 34,942.60/x
  3. Step 3: Cross multiply
    63,621.76x = 87,800.40 × 34,942.60
  4. Step 4: Simplify right side
    63,621.76x = 3,067,974,257.04
  5. Step 5: Solve for x
    x = 3,067,974,257.04/63,621.76
  6. Step 6: Final answer
    x = 48,222.09

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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.