Home / 89,623.73-134,436-36,316.73

Finding the Fourth Proportional to 89,623.73, 134,436 and 36,316.73

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Solution

The fourth proportional to 89,623.73, 134,436 and 36,316.73 is: 54,475.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,623.73 : 134,436 = 36,316.73 : x
  2. Step 2: Convert to fraction form
    89,623.73/134,436 = 36,316.73/x
  3. Step 3: Cross multiply
    89,623.73x = 134,436 × 36,316.73
  4. Step 4: Simplify right side
    89,623.73x = 4,882,275,914.28
  5. Step 5: Solve for x
    x = 4,882,275,914.28/89,623.73
  6. Step 6: Final answer
    x = 54,475.26

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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.