Home / 88,771.70-122,505.93-48,486.66

Finding the Fourth Proportional to 88,771.70, 122,505.93 and 48,486.66

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Solution

The fourth proportional to 88,771.70, 122,505.93 and 48,486.66 is: 66,912.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,771.70 : 122,505.93 = 48,486.66 : x
  2. Step 2: Convert to fraction form
    88,771.70/122,505.93 = 48,486.66/x
  3. Step 3: Cross multiply
    88,771.70x = 122,505.93 × 48,486.66
  4. Step 4: Simplify right side
    88,771.70x = 5,939,903,375.89
  5. Step 5: Solve for x
    x = 5,939,903,375.89/88,771.70
  6. Step 6: Final answer
    x = 66,912.13

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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.