Home / 89,530.20-134,295.30-54,538.20

Finding the Fourth Proportional to 89,530.20, 134,295.30 and 54,538.20

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Solution

The fourth proportional to 89,530.20, 134,295.30 and 54,538.20 is: 81,807.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,530.20 : 134,295.30 = 54,538.20 : x
  2. Step 2: Convert to fraction form
    89,530.20/134,295.30 = 54,538.20/x
  3. Step 3: Cross multiply
    89,530.20x = 134,295.30 × 54,538.20
  4. Step 4: Simplify right side
    89,530.20x = 7,324,223,930.46
  5. Step 5: Solve for x
    x = 7,324,223,930.46/89,530.20
  6. Step 6: Final answer
    x = 81,807.30

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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.