Home / 50,295.93-69,388.21-31,169.40

Finding the Fourth Proportional to 50,295.93, 69,388.21 and 31,169.40

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Solution

The fourth proportional to 50,295.93, 69,388.21 and 31,169.40 is: 43,001.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,295.93 : 69,388.21 = 31,169.40 : x
  2. Step 2: Convert to fraction form
    50,295.93/69,388.21 = 31,169.40/x
  3. Step 3: Cross multiply
    50,295.93x = 69,388.21 × 31,169.40
  4. Step 4: Simplify right side
    50,295.93x = 2,162,788,872.77
  5. Step 5: Solve for x
    x = 2,162,788,872.77/50,295.93
  6. Step 6: Final answer
    x = 43,001.27

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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.