Home / 70,166.10-96,829.32-39,951.43

Finding the Fourth Proportional to 70,166.10, 96,829.32 and 39,951.43

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Solution

The fourth proportional to 70,166.10, 96,829.32 and 39,951.43 is: 55,133.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,166.10 : 96,829.32 = 39,951.43 : x
  2. Step 2: Convert to fraction form
    70,166.10/96,829.32 = 39,951.43/x
  3. Step 3: Cross multiply
    70,166.10x = 96,829.32 × 39,951.43
  4. Step 4: Simplify right side
    70,166.10x = 3,868,469,799.93
  5. Step 5: Solve for x
    x = 3,868,469,799.93/70,166.10
  6. Step 6: Final answer
    x = 55,133.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.