Home / 94,111.20-141,363.63-79,348.95

Finding the Fourth Proportional to 94,111.20, 141,363.63 and 79,348.95

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Solution

The fourth proportional to 94,111.20, 141,363.63 and 79,348.95 is: 119,189.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,111.20 : 141,363.63 = 79,348.95 : x
  2. Step 2: Convert to fraction form
    94,111.20/141,363.63 = 79,348.95/x
  3. Step 3: Cross multiply
    94,111.20x = 141,363.63 × 79,348.95
  4. Step 4: Simplify right side
    94,111.20x = 11,217,055,608.69
  5. Step 5: Solve for x
    x = 11,217,055,608.69/94,111.20
  6. Step 6: Final answer
    x = 119,189.38

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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.