Home / 91,830.49-137,736-29,496.13

Finding the Fourth Proportional to 91,830.49, 137,736 and 29,496.13

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Solution

The fourth proportional to 91,830.49, 137,736 and 29,496.13 is: 44,241.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,830.49 : 137,736 = 29,496.13 : x
  2. Step 2: Convert to fraction form
    91,830.49/137,736 = 29,496.13/x
  3. Step 3: Cross multiply
    91,830.49x = 137,736 × 29,496.13
  4. Step 4: Simplify right side
    91,830.49x = 4,062,678,961.68
  5. Step 5: Solve for x
    x = 4,062,678,961.68/91,830.49
  6. Step 6: Final answer
    x = 44,241.07

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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.