Home / 91,935.94-126,886.35-85,932.61

Finding the Fourth Proportional to 91,935.94, 126,886.35 and 85,932.61

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Solution

The fourth proportional to 91,935.94, 126,886.35 and 85,932.61 is: 118,600.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,935.94 : 126,886.35 = 85,932.61 : x
  2. Step 2: Convert to fraction form
    91,935.94/126,886.35 = 85,932.61/x
  3. Step 3: Cross multiply
    91,935.94x = 126,886.35 × 85,932.61
  4. Step 4: Simplify right side
    91,935.94x = 10,903,675,228.87
  5. Step 5: Solve for x
    x = 10,903,675,228.87/91,935.94
  6. Step 6: Final answer
    x = 118,600.79

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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.