Home / 63,819.90-95,739.98-19,436.36

Finding the Fourth Proportional to 63,819.90, 95,739.98 and 19,436.36

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Solution

The fourth proportional to 63,819.90, 95,739.98 and 19,436.36 is: 29,157.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,819.90 : 95,739.98 = 19,436.36 : x
  2. Step 2: Convert to fraction form
    63,819.90/95,739.98 = 19,436.36/x
  3. Step 3: Cross multiply
    63,819.90x = 95,739.98 × 19,436.36
  4. Step 4: Simplify right side
    63,819.90x = 1,860,836,141.79
  5. Step 5: Solve for x
    x = 1,860,836,141.79/63,819.90
  6. Step 6: Final answer
    x = 29,157.62

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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.