Home / 93,827.82-140,756.11-31,512.90

Finding the Fourth Proportional to 93,827.82, 140,756.11 and 31,512.90

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Solution

The fourth proportional to 93,827.82, 140,756.11 and 31,512.90 is: 47,274.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,827.82 : 140,756.11 = 31,512.90 : x
  2. Step 2: Convert to fraction form
    93,827.82/140,756.11 = 31,512.90/x
  3. Step 3: Cross multiply
    93,827.82x = 140,756.11 × 31,512.90
  4. Step 4: Simplify right side
    93,827.82x = 4,435,633,140.04
  5. Step 5: Solve for x
    x = 4,435,633,140.04/93,827.82
  6. Step 6: Final answer
    x = 47,274.18

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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.