Home / 57,109.16-85,694.52-27,116.48

Finding the Fourth Proportional to 57,109.16, 85,694.52 and 27,116.48

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Solution

The fourth proportional to 57,109.16, 85,694.52 and 27,116.48 is: 40,689.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,109.16 : 85,694.52 = 27,116.48 : x
  2. Step 2: Convert to fraction form
    57,109.16/85,694.52 = 27,116.48/x
  3. Step 3: Cross multiply
    57,109.16x = 85,694.52 × 27,116.48
  4. Step 4: Simplify right side
    57,109.16x = 2,323,733,737.69
  5. Step 5: Solve for x
    x = 2,323,733,737.69/57,109.16
  6. Step 6: Final answer
    x = 40,689.33

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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.