Home / 93,732.80-140,599.20-31,403.30

Finding the Fourth Proportional to 93,732.80, 140,599.20 and 31,403.30

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Solution

The fourth proportional to 93,732.80, 140,599.20 and 31,403.30 is: 47,104.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,732.80 : 140,599.20 = 31,403.30 : x
  2. Step 2: Convert to fraction form
    93,732.80/140,599.20 = 31,403.30/x
  3. Step 3: Cross multiply
    93,732.80x = 140,599.20 × 31,403.30
  4. Step 4: Simplify right side
    93,732.80x = 4,415,278,857.36
  5. Step 5: Solve for x
    x = 4,415,278,857.36/93,732.80
  6. Step 6: Final answer
    x = 47,104.95

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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.