Home / 79,324.60-119,088.33-68,151.43

Finding the Fourth Proportional to 79,324.60, 119,088.33 and 68,151.43

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Solution

The fourth proportional to 79,324.60, 119,088.33 and 68,151.43 is: 102,314.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,324.60 : 119,088.33 = 68,151.43 : x
  2. Step 2: Convert to fraction form
    79,324.60/119,088.33 = 68,151.43/x
  3. Step 3: Cross multiply
    79,324.60x = 119,088.33 × 68,151.43
  4. Step 4: Simplify right side
    79,324.60x = 8,116,039,209.23
  5. Step 5: Solve for x
    x = 8,116,039,209.23/79,324.60
  6. Step 6: Final answer
    x = 102,314.28

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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.