Home / 120,930.70-181,396.49-36,691.59

Finding the Fourth Proportional to 120,930.70, 181,396.49 and 36,691.59

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Solution

The fourth proportional to 120,930.70, 181,396.49 and 36,691.59 is: 55,037.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,930.70 : 181,396.49 = 36,691.59 : x
  2. Step 2: Convert to fraction form
    120,930.70/181,396.49 = 36,691.59/x
  3. Step 3: Cross multiply
    120,930.70x = 181,396.49 × 36,691.59
  4. Step 4: Simplify right side
    120,930.70x = 6,655,725,638.52
  5. Step 5: Solve for x
    x = 6,655,725,638.52/120,930.70
  6. Step 6: Final answer
    x = 55,037.52

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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.