Home / 80,272.11-110,777.30-45,816.15

Finding the Fourth Proportional to 80,272.11, 110,777.30 and 45,816.15

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Solution

The fourth proportional to 80,272.11, 110,777.30 and 45,816.15 is: 63,227.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,272.11 : 110,777.30 = 45,816.15 : x
  2. Step 2: Convert to fraction form
    80,272.11/110,777.30 = 45,816.15/x
  3. Step 3: Cross multiply
    80,272.11x = 110,777.30 × 45,816.15
  4. Step 4: Simplify right side
    80,272.11x = 5,075,388,610.43
  5. Step 5: Solve for x
    x = 5,075,388,610.43/80,272.11
  6. Step 6: Final answer
    x = 63,227.30

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1.5x scale

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.