Home / 54,117.15-81,121.05-24,556.20

Finding the Fourth Proportional to 54,117.15, 81,121.05 and 24,556.20

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Solution

The fourth proportional to 54,117.15, 81,121.05 and 24,556.20 is: 36,809.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,117.15 : 81,121.05 = 24,556.20 : x
  2. Step 2: Convert to fraction form
    54,117.15/81,121.05 = 24,556.20/x
  3. Step 3: Cross multiply
    54,117.15x = 81,121.05 × 24,556.20
  4. Step 4: Simplify right side
    54,117.15x = 1,992,024,728.01
  5. Step 5: Solve for x
    x = 1,992,024,728.01/54,117.15
  6. Step 6: Final answer
    x = 36,809.49

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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.