Home / 54,212.10-81,253.35-27,903.30

Finding the Fourth Proportional to 54,212.10, 81,253.35 and 27,903.30

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Solution

The fourth proportional to 54,212.10, 81,253.35 and 27,903.30 is: 41,821.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,212.10 : 81,253.35 = 27,903.30 : x
  2. Step 2: Convert to fraction form
    54,212.10/81,253.35 = 27,903.30/x
  3. Step 3: Cross multiply
    54,212.10x = 81,253.35 × 27,903.30
  4. Step 4: Simplify right side
    54,212.10x = 2,267,236,601.06
  5. Step 5: Solve for x
    x = 2,267,236,601.06/54,212.10
  6. Step 6: Final answer
    x = 41,821.60

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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.