Home / 91,936.05-126,868.80-51,099.98

Finding the Fourth Proportional to 91,936.05, 126,868.80 and 51,099.98

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Solution

The fourth proportional to 91,936.05, 126,868.80 and 51,099.98 is: 70,516.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,936.05 : 126,868.80 = 51,099.98 : x
  2. Step 2: Convert to fraction form
    91,936.05/126,868.80 = 51,099.98/x
  3. Step 3: Cross multiply
    91,936.05x = 126,868.80 × 51,099.98
  4. Step 4: Simplify right side
    91,936.05x = 6,482,993,142.62
  5. Step 5: Solve for x
    x = 6,482,993,142.62/91,936.05
  6. Step 6: Final answer
    x = 70,516.33

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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.