Home / 54,054.62-81,081.92-39,357.07

Finding the Fourth Proportional to 54,054.62, 81,081.92 and 39,357.07

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Solution

The fourth proportional to 54,054.62, 81,081.92 and 39,357.07 is: 59,035.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,054.62 : 81,081.92 = 39,357.07 : x
  2. Step 2: Convert to fraction form
    54,054.62/81,081.92 = 39,357.07/x
  3. Step 3: Cross multiply
    54,054.62x = 81,081.92 × 39,357.07
  4. Step 4: Simplify right side
    54,054.62x = 3,191,146,801.17
  5. Step 5: Solve for x
    x = 3,191,146,801.17/54,054.62
  6. Step 6: Final answer
    x = 59,035.60

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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.