Home / 54,117.56-81,184.08-16,680.80

Finding the Fourth Proportional to 54,117.56, 81,184.08 and 16,680.80

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Solution

The fourth proportional to 54,117.56, 81,184.08 and 16,680.80 is: 25,023.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,117.56 : 81,184.08 = 16,680.80 : x
  2. Step 2: Convert to fraction form
    54,117.56/81,184.08 = 16,680.80/x
  3. Step 3: Cross multiply
    54,117.56x = 81,184.08 × 16,680.80
  4. Step 4: Simplify right side
    54,117.56x = 1,354,215,401.66
  5. Step 5: Solve for x
    x = 1,354,215,401.66/54,117.56
  6. Step 6: Final answer
    x = 25,023.59

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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.