Home / 54,826.72-75,660.80-29,676.20

Finding the Fourth Proportional to 54,826.72, 75,660.80 and 29,676.20

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Solution

The fourth proportional to 54,826.72, 75,660.80 and 29,676.20 is: 40,953.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,826.72 : 75,660.80 = 29,676.20 : x
  2. Step 2: Convert to fraction form
    54,826.72/75,660.80 = 29,676.20/x
  3. Step 3: Cross multiply
    54,826.72x = 75,660.80 × 29,676.20
  4. Step 4: Simplify right side
    54,826.72x = 2,245,325,032.96
  5. Step 5: Solve for x
    x = 2,245,325,032.96/54,826.72
  6. Step 6: Final answer
    x = 40,953.12

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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.