Home / 119,624.38-165,105.47-68,671.53

Finding the Fourth Proportional to 119,624.38, 165,105.47 and 68,671.53

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Solution

The fourth proportional to 119,624.38, 165,105.47 and 68,671.53 is: 94,780.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,624.38 : 165,105.47 = 68,671.53 : x
  2. Step 2: Convert to fraction form
    119,624.38/165,105.47 = 68,671.53/x
  3. Step 3: Cross multiply
    119,624.38x = 165,105.47 × 68,671.53
  4. Step 4: Simplify right side
    119,624.38x = 11,338,045,407.95
  5. Step 5: Solve for x
    x = 11,338,045,407.95/119,624.38
  6. Step 6: Final answer
    x = 94,780.39

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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.