Home / 89,714.21-134,654.54-45,372.38

Finding the Fourth Proportional to 89,714.21, 134,654.54 and 45,372.38

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Solution

The fourth proportional to 89,714.21, 134,654.54 and 45,372.38 is: 68,100.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,714.21 : 134,654.54 = 45,372.38 : x
  2. Step 2: Convert to fraction form
    89,714.21/134,654.54 = 45,372.38/x
  3. Step 3: Cross multiply
    89,714.21x = 134,654.54 × 45,372.38
  4. Step 4: Simplify right side
    89,714.21x = 6,109,596,057.47
  5. Step 5: Solve for x
    x = 6,109,596,057.47/89,714.21
  6. Step 6: Final answer
    x = 68,100.65

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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.