Home / 83,249.28-114,975.36-56,517.12

Finding the Fourth Proportional to 83,249.28, 114,975.36 and 56,517.12

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Solution

The fourth proportional to 83,249.28, 114,975.36 and 56,517.12 is: 78,055.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,249.28 : 114,975.36 = 56,517.12 : x
  2. Step 2: Convert to fraction form
    83,249.28/114,975.36 = 56,517.12/x
  3. Step 3: Cross multiply
    83,249.28x = 114,975.36 × 56,517.12
  4. Step 4: Simplify right side
    83,249.28x = 6,498,076,218.16
  5. Step 5: Solve for x
    x = 6,498,076,218.16/83,249.28
  6. Step 6: Final answer
    x = 78,055.64

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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.