Home / 54,144.16-81,240.48-34,417.60

Finding the Fourth Proportional to 54,144.16, 81,240.48 and 34,417.60

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Solution

The fourth proportional to 54,144.16, 81,240.48 and 34,417.60 is: 51,641.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,144.16 : 81,240.48 = 34,417.60 : x
  2. Step 2: Convert to fraction form
    54,144.16/81,240.48 = 34,417.60/x
  3. Step 3: Cross multiply
    54,144.16x = 81,240.48 × 34,417.60
  4. Step 4: Simplify right side
    54,144.16x = 2,796,102,344.45
  5. Step 5: Solve for x
    x = 2,796,102,344.45/54,144.16
  6. Step 6: Final answer
    x = 51,641.81

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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.