Home / 83,406.12-115,096.04-45,679.56

Finding the Fourth Proportional to 83,406.12, 115,096.04 and 45,679.56

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Solution

The fourth proportional to 83,406.12, 115,096.04 and 45,679.56 is: 63,035.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,406.12 : 115,096.04 = 45,679.56 : x
  2. Step 2: Convert to fraction form
    83,406.12/115,096.04 = 45,679.56/x
  3. Step 3: Cross multiply
    83,406.12x = 115,096.04 × 45,679.56
  4. Step 4: Simplify right side
    83,406.12x = 5,257,536,464.94
  5. Step 5: Solve for x
    x = 5,257,536,464.94/83,406.12
  6. Step 6: Final answer
    x = 63,035.38

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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.