Home / 71,077.10-106,667.09-27,806.41

Finding the Fourth Proportional to 71,077.10, 106,667.09 and 27,806.41

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Solution

The fourth proportional to 71,077.10, 106,667.09 and 27,806.41 is: 41,729.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,077.10 : 106,667.09 = 27,806.41 : x
  2. Step 2: Convert to fraction form
    71,077.10/106,667.09 = 27,806.41/x
  3. Step 3: Cross multiply
    71,077.10x = 106,667.09 × 27,806.41
  4. Step 4: Simplify right side
    71,077.10x = 2,966,028,838.05
  5. Step 5: Solve for x
    x = 2,966,028,838.05/71,077.10
  6. Step 6: Final answer
    x = 41,729.74

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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.