Home / 82,294.08-113,459.76-67,171.20

Finding the Fourth Proportional to 82,294.08, 113,459.76 and 67,171.20

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Solution

The fourth proportional to 82,294.08, 113,459.76 and 67,171.20 is: 92,609.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,294.08 : 113,459.76 = 67,171.20 : x
  2. Step 2: Convert to fraction form
    82,294.08/113,459.76 = 67,171.20/x
  3. Step 3: Cross multiply
    82,294.08x = 113,459.76 × 67,171.20
  4. Step 4: Simplify right side
    82,294.08x = 7,621,228,230.91
  5. Step 5: Solve for x
    x = 7,621,228,230.91/82,294.08
  6. Step 6: Final answer
    x = 92,609.68

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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.