Home / 79,686.62-119,374.38-62,073.98

Finding the Fourth Proportional to 79,686.62, 119,374.38 and 62,073.98

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Solution

The fourth proportional to 79,686.62, 119,374.38 and 62,073.98 is: 92,989.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,686.62 : 119,374.38 = 62,073.98 : x
  2. Step 2: Convert to fraction form
    79,686.62/119,374.38 = 62,073.98/x
  3. Step 3: Cross multiply
    79,686.62x = 119,374.38 × 62,073.98
  4. Step 4: Simplify right side
    79,686.62x = 7,410,042,876.63
  5. Step 5: Solve for x
    x = 7,410,042,876.63/79,686.62
  6. Step 6: Final answer
    x = 92,989.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.