Home / 79,417.13-119,696.53-68,456.11

Finding the Fourth Proportional to 79,417.13, 119,696.53 and 68,456.11

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Solution

The fourth proportional to 79,417.13, 119,696.53 and 68,456.11 is: 103,176.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,417.13 : 119,696.53 = 68,456.11 : x
  2. Step 2: Convert to fraction form
    79,417.13/119,696.53 = 68,456.11/x
  3. Step 3: Cross multiply
    79,417.13x = 119,696.53 × 68,456.11
  4. Step 4: Simplify right side
    79,417.13x = 8,193,958,824.30
  5. Step 5: Solve for x
    x = 8,193,958,824.30/79,417.13
  6. Step 6: Final answer
    x = 103,176.21

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.