Home / 83,830.44-125,753.87-30,536.90

Finding the Fourth Proportional to 83,830.44, 125,753.87 and 30,536.90

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Solution

The fourth proportional to 83,830.44, 125,753.87 and 30,536.90 is: 45,808.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,830.44 : 125,753.87 = 30,536.90 : x
  2. Step 2: Convert to fraction form
    83,830.44/125,753.87 = 30,536.90/x
  3. Step 3: Cross multiply
    83,830.44x = 125,753.87 × 30,536.90
  4. Step 4: Simplify right side
    83,830.44x = 3,840,133,352.80
  5. Step 5: Solve for x
    x = 3,840,133,352.80/83,830.44
  6. Step 6: Final answer
    x = 45,808.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.