Home / 91,942.89-137,914.32-29,613.39

Finding the Fourth Proportional to 91,942.89, 137,914.32 and 29,613.39

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Solution

The fourth proportional to 91,942.89, 137,914.32 and 29,613.39 is: 44,420.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,942.89 : 137,914.32 = 29,613.39 : x
  2. Step 2: Convert to fraction form
    91,942.89/137,914.32 = 29,613.39/x
  3. Step 3: Cross multiply
    91,942.89x = 137,914.32 × 29,613.39
  4. Step 4: Simplify right side
    91,942.89x = 4,084,110,544.74
  5. Step 5: Solve for x
    x = 4,084,110,544.74/91,942.89
  6. Step 6: Final answer
    x = 44,420.08

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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.