Home / 79,618.50-119,058.64-61,645.44

Finding the Fourth Proportional to 79,618.50, 119,058.64 and 61,645.44

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Solution

The fourth proportional to 79,618.50, 119,058.64 and 61,645.44 is: 92,182.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,618.50 : 119,058.64 = 61,645.44 : x
  2. Step 2: Convert to fraction form
    79,618.50/119,058.64 = 61,645.44/x
  3. Step 3: Cross multiply
    79,618.50x = 119,058.64 × 61,645.44
  4. Step 4: Simplify right side
    79,618.50x = 7,339,422,248.60
  5. Step 5: Solve for x
    x = 7,339,422,248.60/79,618.50
  6. Step 6: Final answer
    x = 92,182.37

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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.