Home / 63,022.95-86,968.20-39,149.19

Finding the Fourth Proportional to 63,022.95, 86,968.20 and 39,149.19

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Solution

The fourth proportional to 63,022.95, 86,968.20 and 39,149.19 is: 54,023.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,022.95 : 86,968.20 = 39,149.19 : x
  2. Step 2: Convert to fraction form
    63,022.95/86,968.20 = 39,149.19/x
  3. Step 3: Cross multiply
    63,022.95x = 86,968.20 × 39,149.19
  4. Step 4: Simplify right side
    63,022.95x = 3,404,734,585.76
  5. Step 5: Solve for x
    x = 3,404,734,585.76/63,022.95
  6. Step 6: Final answer
    x = 54,023.73

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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.