Home / 54,077.78-81,134.16-25,999.99

Finding the Fourth Proportional to 54,077.78, 81,134.16 and 25,999.99

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Solution

The fourth proportional to 54,077.78, 81,134.16 and 25,999.99 is: 39,008.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,077.78 : 81,134.16 = 25,999.99 : x
  2. Step 2: Convert to fraction form
    54,077.78/81,134.16 = 25,999.99/x
  3. Step 3: Cross multiply
    54,077.78x = 81,134.16 × 25,999.99
  4. Step 4: Simplify right side
    54,077.78x = 2,109,487,048.32
  5. Step 5: Solve for x
    x = 2,109,487,048.32/54,077.78
  6. Step 6: Final answer
    x = 39,008.39

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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.