Home / 82,438.08-113,768.96-52,212.30

Finding the Fourth Proportional to 82,438.08, 113,768.96 and 52,212.30

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Solution

The fourth proportional to 82,438.08, 113,768.96 and 52,212.30 is: 72,055.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,438.08 : 113,768.96 = 52,212.30 : x
  2. Step 2: Convert to fraction form
    82,438.08/113,768.96 = 52,212.30/x
  3. Step 3: Cross multiply
    82,438.08x = 113,768.96 × 52,212.30
  4. Step 4: Simplify right side
    82,438.08x = 5,940,138,809.15
  5. Step 5: Solve for x
    x = 5,940,138,809.15/82,438.08
  6. Step 6: Final answer
    x = 72,055.76

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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.