Home / 83,818.12-115,633.38-53,596.84

Finding the Fourth Proportional to 83,818.12, 115,633.38 and 53,596.84

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Solution

The fourth proportional to 83,818.12, 115,633.38 and 53,596.84 is: 73,940.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,818.12 : 115,633.38 = 53,596.84 : x
  2. Step 2: Convert to fraction form
    83,818.12/115,633.38 = 53,596.84/x
  3. Step 3: Cross multiply
    83,818.12x = 115,633.38 × 53,596.84
  4. Step 4: Simplify right side
    83,818.12x = 6,197,583,766.52
  5. Step 5: Solve for x
    x = 6,197,583,766.52/83,818.12
  6. Step 6: Final answer
    x = 73,940.86

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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.