Home / 80,080.06-110,536.73-56,212.60

Finding the Fourth Proportional to 80,080.06, 110,536.73 and 56,212.60

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Solution

The fourth proportional to 80,080.06, 110,536.73 and 56,212.60 is: 77,591.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,080.06 : 110,536.73 = 56,212.60 : x
  2. Step 2: Convert to fraction form
    80,080.06/110,536.73 = 56,212.60/x
  3. Step 3: Cross multiply
    80,080.06x = 110,536.73 × 56,212.60
  4. Step 4: Simplify right side
    80,080.06x = 6,213,557,165.64
  5. Step 5: Solve for x
    x = 6,213,557,165.64/80,080.06
  6. Step 6: Final answer
    x = 77,591.82

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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.