Home / 67,731.24-101,580.50-28,266.96

Finding the Fourth Proportional to 67,731.24, 101,580.50 and 28,266.96

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Solution

The fourth proportional to 67,731.24, 101,580.50 and 28,266.96 is: 42,393.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,731.24 : 101,580.50 = 28,266.96 : x
  2. Step 2: Convert to fraction form
    67,731.24/101,580.50 = 28,266.96/x
  3. Step 3: Cross multiply
    67,731.24x = 101,580.50 × 28,266.96
  4. Step 4: Simplify right side
    67,731.24x = 2,871,371,930.28
  5. Step 5: Solve for x
    x = 2,871,371,930.28/67,731.24
  6. Step 6: Final answer
    x = 42,393.61

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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.