Home / 68,764.83-102,676.78-61,602.85

Finding the Fourth Proportional to 68,764.83, 102,676.78 and 61,602.85

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Solution

The fourth proportional to 68,764.83, 102,676.78 and 61,602.85 is: 91,982.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,764.83 : 102,676.78 = 61,602.85 : x
  2. Step 2: Convert to fraction form
    68,764.83/102,676.78 = 61,602.85/x
  3. Step 3: Cross multiply
    68,764.83x = 102,676.78 × 61,602.85
  4. Step 4: Simplify right side
    68,764.83x = 6,325,182,276.82
  5. Step 5: Solve for x
    x = 6,325,182,276.82/68,764.83
  6. Step 6: Final answer
    x = 91,982.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.