Home / 80,981.02-121,418.88-33,583.06

Finding the Fourth Proportional to 80,981.02, 121,418.88 and 33,583.06

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Solution

The fourth proportional to 80,981.02, 121,418.88 and 33,583.06 is: 50,352.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,981.02 : 121,418.88 = 33,583.06 : x
  2. Step 2: Convert to fraction form
    80,981.02/121,418.88 = 33,583.06/x
  3. Step 3: Cross multiply
    80,981.02x = 121,418.88 × 33,583.06
  4. Step 4: Simplify right side
    80,981.02x = 4,077,617,532.17
  5. Step 5: Solve for x
    x = 4,077,617,532.17/80,981.02
  6. Step 6: Final answer
    x = 50,352.76

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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.