Home / 89,137.36-133,616.06-55,880.79

Finding the Fourth Proportional to 89,137.36, 133,616.06 and 55,880.79

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Solution

The fourth proportional to 89,137.36, 133,616.06 and 55,880.79 is: 83,764.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,137.36 : 133,616.06 = 55,880.79 : x
  2. Step 2: Convert to fraction form
    89,137.36/133,616.06 = 55,880.79/x
  3. Step 3: Cross multiply
    89,137.36x = 133,616.06 × 55,880.79
  4. Step 4: Simplify right side
    89,137.36x = 7,466,570,261.41
  5. Step 5: Solve for x
    x = 7,466,570,261.41/89,137.36
  6. Step 6: Final answer
    x = 83,764.77

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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.