Home / 82,072.12-113,184.30-53,793.40

Finding the Fourth Proportional to 82,072.12, 113,184.30 and 53,793.40

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Solution

The fourth proportional to 82,072.12, 113,184.30 and 53,793.40 is: 74,185.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,072.12 : 113,184.30 = 53,793.40 : x
  2. Step 2: Convert to fraction form
    82,072.12/113,184.30 = 53,793.40/x
  3. Step 3: Cross multiply
    82,072.12x = 113,184.30 × 53,793.40
  4. Step 4: Simplify right side
    82,072.12x = 6,088,568,323.62
  5. Step 5: Solve for x
    x = 6,088,568,323.62/82,072.12
  6. Step 6: Final answer
    x = 74,185.59

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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.