Home / 76,134.46-105,076.60-43,862.79

Finding the Fourth Proportional to 76,134.46, 105,076.60 and 43,862.79

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Solution

The fourth proportional to 76,134.46, 105,076.60 and 43,862.79 is: 60,537.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,134.46 : 105,076.60 = 43,862.79 : x
  2. Step 2: Convert to fraction form
    76,134.46/105,076.60 = 43,862.79/x
  3. Step 3: Cross multiply
    76,134.46x = 105,076.60 × 43,862.79
  4. Step 4: Simplify right side
    76,134.46x = 4,608,953,136.98
  5. Step 5: Solve for x
    x = 4,608,953,136.98/76,134.46
  6. Step 6: Final answer
    x = 60,537.02

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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.