Home / 76,302.78-114,446.88-46,705.38

Finding the Fourth Proportional to 76,302.78, 114,446.88 and 46,705.38

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Solution

The fourth proportional to 76,302.78, 114,446.88 and 46,705.38 is: 70,053.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,302.78 : 114,446.88 = 46,705.38 : x
  2. Step 2: Convert to fraction form
    76,302.78/114,446.88 = 46,705.38/x
  3. Step 3: Cross multiply
    76,302.78x = 114,446.88 × 46,705.38
  4. Step 4: Simplify right side
    76,302.78x = 5,345,285,020.21
  5. Step 5: Solve for x
    x = 5,345,285,020.21/76,302.78
  6. Step 6: Final answer
    x = 70,053.61

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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.