Home / 93,910.38-140,865.57-31,580.88

Finding the Fourth Proportional to 93,910.38, 140,865.57 and 31,580.88

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Solution

The fourth proportional to 93,910.38, 140,865.57 and 31,580.88 is: 47,371.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,910.38 : 140,865.57 = 31,580.88 : x
  2. Step 2: Convert to fraction form
    93,910.38/140,865.57 = 31,580.88/x
  3. Step 3: Cross multiply
    93,910.38x = 140,865.57 × 31,580.88
  4. Step 4: Simplify right side
    93,910.38x = 4,448,657,800.07
  5. Step 5: Solve for x
    x = 4,448,657,800.07/93,910.38
  6. Step 6: Final answer
    x = 47,371.31

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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.