Home / 83,261.55-114,900.68-45,020.84

Finding the Fourth Proportional to 83,261.55, 114,900.68 and 45,020.84

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Solution

The fourth proportional to 83,261.55, 114,900.68 and 45,020.84 is: 62,128.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,261.55 : 114,900.68 = 45,020.84 : x
  2. Step 2: Convert to fraction form
    83,261.55/114,900.68 = 45,020.84/x
  3. Step 3: Cross multiply
    83,261.55x = 114,900.68 × 45,020.84
  4. Step 4: Simplify right side
    83,261.55x = 5,172,924,330.56
  5. Step 5: Solve for x
    x = 5,172,924,330.56/83,261.55
  6. Step 6: Final answer
    x = 62,128.61

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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.