Home / 83,539.08-115,286.22-47,734.92

Finding the Fourth Proportional to 83,539.08, 115,286.22 and 47,734.92

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Solution

The fourth proportional to 83,539.08, 115,286.22 and 47,734.92 is: 65,875.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,539.08 : 115,286.22 = 47,734.92 : x
  2. Step 2: Convert to fraction form
    83,539.08/115,286.22 = 47,734.92/x
  3. Step 3: Cross multiply
    83,539.08x = 115,286.22 × 47,734.92
  4. Step 4: Simplify right side
    83,539.08x = 5,503,178,488.80
  5. Step 5: Solve for x
    x = 5,503,178,488.80/83,539.08
  6. Step 6: Final answer
    x = 65,875.50

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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.