Home / 89,236.71-133,812.72-51,808.41

Finding the Fourth Proportional to 89,236.71, 133,812.72 and 51,808.41

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Solution

The fourth proportional to 89,236.71, 133,812.72 and 51,808.41 is: 77,688.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,236.71 : 133,812.72 = 51,808.41 : x
  2. Step 2: Convert to fraction form
    89,236.71/133,812.72 = 51,808.41/x
  3. Step 3: Cross multiply
    89,236.71x = 133,812.72 × 51,808.41
  4. Step 4: Simplify right side
    89,236.71x = 6,932,624,260.98
  5. Step 5: Solve for x
    x = 6,932,624,260.98/89,236.71
  6. Step 6: Final answer
    x = 77,688.03

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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.