Home / 89,317.88-133,771.44-49,787.45

Finding the Fourth Proportional to 89,317.88, 133,771.44 and 49,787.45

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Solution

The fourth proportional to 89,317.88, 133,771.44 and 49,787.45 is: 74,566.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,317.88 : 133,771.44 = 49,787.45 : x
  2. Step 2: Convert to fraction form
    89,317.88/133,771.44 = 49,787.45/x
  3. Step 3: Cross multiply
    89,317.88x = 133,771.44 × 49,787.45
  4. Step 4: Simplify right side
    89,317.88x = 6,660,138,880.43
  5. Step 5: Solve for x
    x = 6,660,138,880.43/89,317.88
  6. Step 6: Final answer
    x = 74,566.69

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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.