Home / 93,853.28-140,781-31,523.78

Finding the Fourth Proportional to 93,853.28, 140,781 and 31,523.78

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Solution

The fourth proportional to 93,853.28, 140,781 and 31,523.78 is: 47,286.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,853.28 : 140,781 = 31,523.78 : x
  2. Step 2: Convert to fraction form
    93,853.28/140,781 = 31,523.78/x
  3. Step 3: Cross multiply
    93,853.28x = 140,781 × 31,523.78
  4. Step 4: Simplify right side
    93,853.28x = 4,437,949,272.18
  5. Step 5: Solve for x
    x = 4,437,949,272.18/93,853.28
  6. Step 6: Final answer
    x = 47,286.03

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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.