Home / 54,145.09-81,212.28-16,695.06

Finding the Fourth Proportional to 54,145.09, 81,212.28 and 16,695.06

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Solution

The fourth proportional to 54,145.09, 81,212.28 and 16,695.06 is: 25,040.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,145.09 : 81,212.28 = 16,695.06 : x
  2. Step 2: Convert to fraction form
    54,145.09/81,212.28 = 16,695.06/x
  3. Step 3: Cross multiply
    54,145.09x = 81,212.28 × 16,695.06
  4. Step 4: Simplify right side
    54,145.09x = 1,355,843,614.09
  5. Step 5: Solve for x
    x = 1,355,843,614.09/54,145.09
  6. Step 6: Final answer
    x = 25,040.93

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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.