Home / 83,753.06-115,573.23-47,942.55

Finding the Fourth Proportional to 83,753.06, 115,573.23 and 47,942.55

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Solution

The fourth proportional to 83,753.06, 115,573.23 and 47,942.55 is: 66,157.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,753.06 : 115,573.23 = 47,942.55 : x
  2. Step 2: Convert to fraction form
    83,753.06/115,573.23 = 47,942.55/x
  3. Step 3: Cross multiply
    83,753.06x = 115,573.23 × 47,942.55
  4. Step 4: Simplify right side
    83,753.06x = 5,540,875,357.94
  5. Step 5: Solve for x
    x = 5,540,875,357.94/83,753.06
  6. Step 6: Final answer
    x = 66,157.29

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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.