Home / 62,904.09-86,734.92-50,147.30

Finding the Fourth Proportional to 62,904.09, 86,734.92 and 50,147.30

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Solution

The fourth proportional to 62,904.09, 86,734.92 and 50,147.30 is: 69,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,904.09 : 86,734.92 = 50,147.30 : x
  2. Step 2: Convert to fraction form
    62,904.09/86,734.92 = 50,147.30/x
  3. Step 3: Cross multiply
    62,904.09x = 86,734.92 × 50,147.30
  4. Step 4: Simplify right side
    62,904.09x = 4,349,522,270.55
  5. Step 5: Solve for x
    x = 4,349,522,270.55/62,904.09
  6. Step 6: Final answer
    x = 69,145.30

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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.