Home / 82,285.08-113,447.34-67,162.20

Finding the Fourth Proportional to 82,285.08, 113,447.34 and 67,162.20

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Solution

The fourth proportional to 82,285.08, 113,447.34 and 67,162.20 is: 92,597.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,285.08 : 113,447.34 = 67,162.20 : x
  2. Step 2: Convert to fraction form
    82,285.08/113,447.34 = 67,162.20/x
  3. Step 3: Cross multiply
    82,285.08x = 113,447.34 × 67,162.20
  4. Step 4: Simplify right side
    82,285.08x = 7,619,372,938.55
  5. Step 5: Solve for x
    x = 7,619,372,938.55/82,285.08
  6. Step 6: Final answer
    x = 92,597.26

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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.