Home / 82,141.60-113,353.68-48,618.40

Finding the Fourth Proportional to 82,141.60, 113,353.68 and 48,618.40

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Solution

The fourth proportional to 82,141.60, 113,353.68 and 48,618.40 is: 67,092.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,141.60 : 113,353.68 = 48,618.40 : x
  2. Step 2: Convert to fraction form
    82,141.60/113,353.68 = 48,618.40/x
  3. Step 3: Cross multiply
    82,141.60x = 113,353.68 × 48,618.40
  4. Step 4: Simplify right side
    82,141.60x = 5,511,074,555.71
  5. Step 5: Solve for x
    x = 5,511,074,555.71/82,141.60
  6. Step 6: Final answer
    x = 67,092.37

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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.