Home / 81,192.69-121,777.92-24,265.80

Finding the Fourth Proportional to 81,192.69, 121,777.92 and 24,265.80

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Solution

The fourth proportional to 81,192.69, 121,777.92 and 24,265.80 is: 36,395.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,192.69 : 121,777.92 = 24,265.80 : x
  2. Step 2: Convert to fraction form
    81,192.69/121,777.92 = 24,265.80/x
  3. Step 3: Cross multiply
    81,192.69x = 121,777.92 × 24,265.80
  4. Step 4: Simplify right side
    81,192.69x = 2,955,038,651.14
  5. Step 5: Solve for x
    x = 2,955,038,651.14/81,192.69
  6. Step 6: Final answer
    x = 36,395.38

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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.