Home / 54,675.36-81,961.20-26,940.96

Finding the Fourth Proportional to 54,675.36, 81,961.20 and 26,940.96

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Solution

The fourth proportional to 54,675.36, 81,961.20 and 26,940.96 is: 40,385.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,675.36 : 81,961.20 = 26,940.96 : x
  2. Step 2: Convert to fraction form
    54,675.36/81,961.20 = 26,940.96/x
  3. Step 3: Cross multiply
    54,675.36x = 81,961.20 × 26,940.96
  4. Step 4: Simplify right side
    54,675.36x = 2,208,113,410.75
  5. Step 5: Solve for x
    x = 2,208,113,410.75/54,675.36
  6. Step 6: Final answer
    x = 40,385.90

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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.