Home / 80,163.04-110,669.52-48,340

Finding the Fourth Proportional to 80,163.04, 110,669.52 and 48,340

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Solution

The fourth proportional to 80,163.04, 110,669.52 and 48,340 is: 66,736.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,163.04 : 110,669.52 = 48,340 : x
  2. Step 2: Convert to fraction form
    80,163.04/110,669.52 = 48,340/x
  3. Step 3: Cross multiply
    80,163.04x = 110,669.52 × 48,340
  4. Step 4: Simplify right side
    80,163.04x = 5,349,764,596.80
  5. Step 5: Solve for x
    x = 5,349,764,596.80/80,163.04
  6. Step 6: Final answer
    x = 66,736.05

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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.