Home / 54,228.11-81,312.39-16,777.76

Finding the Fourth Proportional to 54,228.11, 81,312.39 and 16,777.76

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Solution

The fourth proportional to 54,228.11, 81,312.39 and 16,777.76 is: 25,157.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,228.11 : 81,312.39 = 16,777.76 : x
  2. Step 2: Convert to fraction form
    54,228.11/81,312.39 = 16,777.76/x
  3. Step 3: Cross multiply
    54,228.11x = 81,312.39 × 16,777.76
  4. Step 4: Simplify right side
    54,228.11x = 1,364,239,357.88
  5. Step 5: Solve for x
    x = 1,364,239,357.88/54,228.11
  6. Step 6: Final answer
    x = 25,157.42

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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.