Home / 67,731.66-101,500.70-38,087.28

Finding the Fourth Proportional to 67,731.66, 101,500.70 and 38,087.28

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Solution

The fourth proportional to 67,731.66, 101,500.70 and 38,087.28 is: 57,076.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,731.66 : 101,500.70 = 38,087.28 : x
  2. Step 2: Convert to fraction form
    67,731.66/101,500.70 = 38,087.28/x
  3. Step 3: Cross multiply
    67,731.66x = 101,500.70 × 38,087.28
  4. Step 4: Simplify right side
    67,731.66x = 3,865,885,390.66
  5. Step 5: Solve for x
    x = 3,865,885,390.66/67,731.66
  6. Step 6: Final answer
    x = 57,076.49

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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.