Home / 82,582.20-113,981.58-54,290.52

Finding the Fourth Proportional to 82,582.20, 113,981.58 and 54,290.52

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Solution

The fourth proportional to 82,582.20, 113,981.58 and 54,290.52 is: 74,932.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,582.20 : 113,981.58 = 54,290.52 : x
  2. Step 2: Convert to fraction form
    82,582.20/113,981.58 = 54,290.52/x
  3. Step 3: Cross multiply
    82,582.20x = 113,981.58 × 54,290.52
  4. Step 4: Simplify right side
    82,582.20x = 6,188,119,248.62
  5. Step 5: Solve for x
    x = 6,188,119,248.62/82,582.20
  6. Step 6: Final answer
    x = 74,932.85

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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.