Home / 107,101.73-160,640.35-28,222.13

Finding the Fourth Proportional to 107,101.73, 160,640.35 and 28,222.13

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Solution

The fourth proportional to 107,101.73, 160,640.35 and 28,222.13 is: 42,329.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,101.73 : 160,640.35 = 28,222.13 : x
  2. Step 2: Convert to fraction form
    107,101.73/160,640.35 = 28,222.13/x
  3. Step 3: Cross multiply
    107,101.73x = 160,640.35 × 28,222.13
  4. Step 4: Simplify right side
    107,101.73x = 4,533,612,840.95
  5. Step 5: Solve for x
    x = 4,533,612,840.95/107,101.73
  6. Step 6: Final answer
    x = 42,329.97

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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.