Home / 80,740.00-121,127.49-24,578.63

Finding the Fourth Proportional to 80,740.00, 121,127.49 and 24,578.63

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Solution

The fourth proportional to 80,740.00, 121,127.49 and 24,578.63 is: 36,873.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,740.00 : 121,127.49 = 24,578.63 : x
  2. Step 2: Convert to fraction form
    80,740.00/121,127.49 = 24,578.63/x
  3. Step 3: Cross multiply
    80,740.00x = 121,127.49 × 24,578.63
  4. Step 4: Simplify right side
    80,740.00x = 2,977,147,759.54
  5. Step 5: Solve for x
    x = 2,977,147,759.54/80,740.00
  6. Step 6: Final answer
    x = 36,873.27

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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.