Home / 91,121.00-136,562.22-48,951.81

Finding the Fourth Proportional to 91,121.00, 136,562.22 and 48,951.81

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Solution

The fourth proportional to 91,121.00, 136,562.22 and 48,951.81 is: 73,363.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,121.00 : 136,562.22 = 48,951.81 : x
  2. Step 2: Convert to fraction form
    91,121.00/136,562.22 = 48,951.81/x
  3. Step 3: Cross multiply
    91,121.00x = 136,562.22 × 48,951.81
  4. Step 4: Simplify right side
    91,121.00x = 6,684,967,846.62
  5. Step 5: Solve for x
    x = 6,684,967,846.62/91,121.00
  6. Step 6: Final answer
    x = 73,363.64

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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.