Home / 54,161.46-81,254.34-19,101.42

Finding the Fourth Proportional to 54,161.46, 81,254.34 and 19,101.42

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Solution

The fourth proportional to 54,161.46, 81,254.34 and 19,101.42 is: 28,656.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,161.46 : 81,254.34 = 19,101.42 : x
  2. Step 2: Convert to fraction form
    54,161.46/81,254.34 = 19,101.42/x
  3. Step 3: Cross multiply
    54,161.46x = 81,254.34 × 19,101.42
  4. Step 4: Simplify right side
    54,161.46x = 1,552,073,275.16
  5. Step 5: Solve for x
    x = 1,552,073,275.16/54,161.46
  6. Step 6: Final answer
    x = 28,656.42

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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.