Home / 61,172.37-91,681.20-34,891.92

Finding the Fourth Proportional to 61,172.37, 91,681.20 and 34,891.92

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Solution

The fourth proportional to 61,172.37, 91,681.20 and 34,891.92 is: 52,293.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,172.37 : 91,681.20 = 34,891.92 : x
  2. Step 2: Convert to fraction form
    61,172.37/91,681.20 = 34,891.92/x
  3. Step 3: Cross multiply
    61,172.37x = 91,681.20 × 34,891.92
  4. Step 4: Simplify right side
    61,172.37x = 3,198,933,095.90
  5. Step 5: Solve for x
    x = 3,198,933,095.90/61,172.37
  6. Step 6: Final answer
    x = 52,293.76

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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.