Home / 76,184.63-105,099.88-49,335.79

Finding the Fourth Proportional to 76,184.63, 105,099.88 and 49,335.79

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Solution

The fourth proportional to 76,184.63, 105,099.88 and 49,335.79 is: 68,060.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,184.63 : 105,099.88 = 49,335.79 : x
  2. Step 2: Convert to fraction form
    76,184.63/105,099.88 = 49,335.79/x
  3. Step 3: Cross multiply
    76,184.63x = 105,099.88 × 49,335.79
  4. Step 4: Simplify right side
    76,184.63x = 5,185,185,608.71
  5. Step 5: Solve for x
    x = 5,185,185,608.71/76,184.63
  6. Step 6: Final answer
    x = 68,060.78

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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.