Home / 79,686.18-119,541.54-27,083.34

Finding the Fourth Proportional to 79,686.18, 119,541.54 and 27,083.34

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Solution

The fourth proportional to 79,686.18, 119,541.54 and 27,083.34 is: 40,629.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,686.18 : 119,541.54 = 27,083.34 : x
  2. Step 2: Convert to fraction form
    79,686.18/119,541.54 = 27,083.34/x
  3. Step 3: Cross multiply
    79,686.18x = 119,541.54 × 27,083.34
  4. Step 4: Simplify right side
    79,686.18x = 3,237,584,171.94
  5. Step 5: Solve for x
    x = 3,237,584,171.94/79,686.18
  6. Step 6: Final answer
    x = 40,629.18

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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.