Home / 90,727.56-125,185.68-52,994.52

Finding the Fourth Proportional to 90,727.56, 125,185.68 and 52,994.52

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Solution

The fourth proportional to 90,727.56, 125,185.68 and 52,994.52 is: 73,121.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,727.56 : 125,185.68 = 52,994.52 : x
  2. Step 2: Convert to fraction form
    90,727.56/125,185.68 = 52,994.52/x
  3. Step 3: Cross multiply
    90,727.56x = 125,185.68 × 52,994.52
  4. Step 4: Simplify right side
    90,727.56x = 6,634,155,022.47
  5. Step 5: Solve for x
    x = 6,634,155,022.47/90,727.56
  6. Step 6: Final answer
    x = 73,121.72

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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.