Home / 89,730.22-134,596.38-38,431.96

Finding the Fourth Proportional to 89,730.22, 134,596.38 and 38,431.96

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Solution

The fourth proportional to 89,730.22, 134,596.38 and 38,431.96 is: 57,648.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,730.22 : 134,596.38 = 38,431.96 : x
  2. Step 2: Convert to fraction form
    89,730.22/134,596.38 = 38,431.96/x
  3. Step 3: Cross multiply
    89,730.22x = 134,596.38 × 38,431.96
  4. Step 4: Simplify right side
    89,730.22x = 5,172,802,692.30
  5. Step 5: Solve for x
    x = 5,172,802,692.30/89,730.22
  6. Step 6: Final answer
    x = 57,648.39

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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.