Home / 91,784.87-137,619.93-38,462.44

Finding the Fourth Proportional to 91,784.87, 137,619.93 and 38,462.44

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Solution

The fourth proportional to 91,784.87, 137,619.93 and 38,462.44 is: 57,669.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,784.87 : 137,619.93 = 38,462.44 : x
  2. Step 2: Convert to fraction form
    91,784.87/137,619.93 = 38,462.44/x
  3. Step 3: Cross multiply
    91,784.87x = 137,619.93 × 38,462.44
  4. Step 4: Simplify right side
    91,784.87x = 5,293,197,612.33
  5. Step 5: Solve for x
    x = 5,293,197,612.33/91,784.87
  6. Step 6: Final answer
    x = 57,669.61

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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.