Home / 63,823.36-95,719.20-19,438.60

Finding the Fourth Proportional to 63,823.36, 95,719.20 and 19,438.60

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Solution

The fourth proportional to 63,823.36, 95,719.20 and 19,438.60 is: 29,153.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,823.36 : 95,719.20 = 19,438.60 : x
  2. Step 2: Convert to fraction form
    63,823.36/95,719.20 = 19,438.60/x
  3. Step 3: Cross multiply
    63,823.36x = 95,719.20 × 19,438.60
  4. Step 4: Simplify right side
    63,823.36x = 1,860,647,241.12
  5. Step 5: Solve for x
    x = 1,860,647,241.12/63,823.36
  6. Step 6: Final answer
    x = 29,153.08

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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.