Home / 79,121.94-118,682.64-32,374.83

Finding the Fourth Proportional to 79,121.94, 118,682.64 and 32,374.83

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Solution

The fourth proportional to 79,121.94, 118,682.64 and 32,374.83 is: 48,562.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,121.94 : 118,682.64 = 32,374.83 : x
  2. Step 2: Convert to fraction form
    79,121.94/118,682.64 = 32,374.83/x
  3. Step 3: Cross multiply
    79,121.94x = 118,682.64 × 32,374.83
  4. Step 4: Simplify right side
    79,121.94x = 3,842,330,293.95
  5. Step 5: Solve for x
    x = 3,842,330,293.95/79,121.94
  6. Step 6: Final answer
    x = 48,562.13

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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.