Home / 82,101.27-113,234.16-56,601.79

Finding the Fourth Proportional to 82,101.27, 113,234.16 and 56,601.79

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Solution

The fourth proportional to 82,101.27, 113,234.16 and 56,601.79 is: 78,065.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,101.27 : 113,234.16 = 56,601.79 : x
  2. Step 2: Convert to fraction form
    82,101.27/113,234.16 = 56,601.79/x
  3. Step 3: Cross multiply
    82,101.27x = 113,234.16 × 56,601.79
  4. Step 4: Simplify right side
    82,101.27x = 6,409,256,392.87
  5. Step 5: Solve for x
    x = 6,409,256,392.87/82,101.27
  6. Step 6: Final answer
    x = 78,065.25

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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.