Home / 91,936.18-126,886.70-85,932.86

Finding the Fourth Proportional to 91,936.18, 126,886.70 and 85,932.86

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Solution

The fourth proportional to 91,936.18, 126,886.70 and 85,932.86 is: 118,601.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,936.18 : 126,886.70 = 85,932.86 : x
  2. Step 2: Convert to fraction form
    91,936.18/126,886.70 = 85,932.86/x
  3. Step 3: Cross multiply
    91,936.18x = 126,886.70 × 85,932.86
  4. Step 4: Simplify right side
    91,936.18x = 10,903,737,026.96
  5. Step 5: Solve for x
    x = 10,903,737,026.96/91,936.18
  6. Step 6: Final answer
    x = 118,601.15

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1.5x scale

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.