Home / 54,742.11-75,521.91-38,632.80

Finding the Fourth Proportional to 54,742.11, 75,521.91 and 38,632.80

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Solution

The fourth proportional to 54,742.11, 75,521.91 and 38,632.80 is: 53,297.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,742.11 : 75,521.91 = 38,632.80 : x
  2. Step 2: Convert to fraction form
    54,742.11/75,521.91 = 38,632.80/x
  3. Step 3: Cross multiply
    54,742.11x = 75,521.91 × 38,632.80
  4. Step 4: Simplify right side
    54,742.11x = 2,917,622,844.65
  5. Step 5: Solve for x
    x = 2,917,622,844.65/54,742.11
  6. Step 6: Final answer
    x = 53,297.60

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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.