Home / 89,719.43-134,599.99-30,555.61

Finding the Fourth Proportional to 89,719.43, 134,599.99 and 30,555.61

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Solution

The fourth proportional to 89,719.43, 134,599.99 and 30,555.61 is: 45,840.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,719.43 : 134,599.99 = 30,555.61 : x
  2. Step 2: Convert to fraction form
    89,719.43/134,599.99 = 30,555.61/x
  3. Step 3: Cross multiply
    89,719.43x = 134,599.99 × 30,555.61
  4. Step 4: Simplify right side
    89,719.43x = 4,112,784,800.44
  5. Step 5: Solve for x
    x = 4,112,784,800.44/89,719.43
  6. Step 6: Final answer
    x = 45,840.51

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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.