Home / 89,895.12-134,857.31-33,739.64

Finding the Fourth Proportional to 89,895.12, 134,857.31 and 33,739.64

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Solution

The fourth proportional to 89,895.12, 134,857.31 and 33,739.64 is: 50,614.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,895.12 : 134,857.31 = 33,739.64 : x
  2. Step 2: Convert to fraction form
    89,895.12/134,857.31 = 33,739.64/x
  3. Step 3: Cross multiply
    89,895.12x = 134,857.31 × 33,739.64
  4. Step 4: Simplify right side
    89,895.12x = 4,550,036,753.50
  5. Step 5: Solve for x
    x = 4,550,036,753.50/89,895.12
  6. Step 6: Final answer
    x = 50,614.95

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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.