Home / 82,426.20-113,715.96-53,779.56

Finding the Fourth Proportional to 82,426.20, 113,715.96 and 53,779.56

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Solution

The fourth proportional to 82,426.20, 113,715.96 and 53,779.56 is: 74,194.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,426.20 : 113,715.96 = 53,779.56 : x
  2. Step 2: Convert to fraction form
    82,426.20/113,715.96 = 53,779.56/x
  3. Step 3: Cross multiply
    82,426.20x = 113,715.96 × 53,779.56
  4. Step 4: Simplify right side
    82,426.20x = 6,115,594,293.78
  5. Step 5: Solve for x
    x = 6,115,594,293.78/82,426.20
  6. Step 6: Final answer
    x = 74,194.79

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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.