Home / 54,219.06-81,332.39-16,774.20

Finding the Fourth Proportional to 54,219.06, 81,332.39 and 16,774.20

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Solution

The fourth proportional to 54,219.06, 81,332.39 and 16,774.20 is: 25,162.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,219.06 : 81,332.39 = 16,774.20 : x
  2. Step 2: Convert to fraction form
    54,219.06/81,332.39 = 16,774.20/x
  3. Step 3: Cross multiply
    54,219.06x = 81,332.39 × 16,774.20
  4. Step 4: Simplify right side
    54,219.06x = 1,364,286,219.47
  5. Step 5: Solve for x
    x = 1,364,286,219.47/54,219.06
  6. Step 6: Final answer
    x = 25,162.48

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1.5x scale

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.