Home / 91,813.68-137,605.44-39,161.52

Finding the Fourth Proportional to 91,813.68, 137,605.44 and 39,161.52

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Solution

The fourth proportional to 91,813.68, 137,605.44 and 39,161.52 is: 58,693.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,813.68 : 137,605.44 = 39,161.52 : x
  2. Step 2: Convert to fraction form
    91,813.68/137,605.44 = 39,161.52/x
  3. Step 3: Cross multiply
    91,813.68x = 137,605.44 × 39,161.52
  4. Step 4: Simplify right side
    91,813.68x = 5,388,838,190.67
  5. Step 5: Solve for x
    x = 5,388,838,190.67/91,813.68
  6. Step 6: Final answer
    x = 58,693.19

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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.