Home / 61,143.15-91,714.78-49,241.11

Finding the Fourth Proportional to 61,143.15, 91,714.78 and 49,241.11

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Solution

The fourth proportional to 61,143.15, 91,714.78 and 49,241.11 is: 73,861.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,143.15 : 91,714.78 = 49,241.11 : x
  2. Step 2: Convert to fraction form
    61,143.15/91,714.78 = 49,241.11/x
  3. Step 3: Cross multiply
    61,143.15x = 91,714.78 × 49,241.11
  4. Step 4: Simplify right side
    61,143.15x = 4,516,137,095.11
  5. Step 5: Solve for x
    x = 4,516,137,095.11/61,143.15
  6. Step 6: Final answer
    x = 73,861.71

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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.