Home / 91,568.57-137,351.52-55,553.60

Finding the Fourth Proportional to 91,568.57, 137,351.52 and 55,553.60

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Solution

The fourth proportional to 91,568.57, 137,351.52 and 55,553.60 is: 83,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,568.57 : 137,351.52 = 55,553.60 : x
  2. Step 2: Convert to fraction form
    91,568.57/137,351.52 = 55,553.60/x
  3. Step 3: Cross multiply
    91,568.57x = 137,351.52 × 55,553.60
  4. Step 4: Simplify right side
    91,568.57x = 7,630,371,744.85
  5. Step 5: Solve for x
    x = 7,630,371,744.85/91,568.57
  6. Step 6: Final answer
    x = 83,329.60

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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.