Home / 78,790.23-108,744.62-46,961.15

Finding the Fourth Proportional to 78,790.23, 108,744.62 and 46,961.15

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Solution

The fourth proportional to 78,790.23, 108,744.62 and 46,961.15 is: 64,814.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,790.23 : 108,744.62 = 46,961.15 : x
  2. Step 2: Convert to fraction form
    78,790.23/108,744.62 = 46,961.15/x
  3. Step 3: Cross multiply
    78,790.23x = 108,744.62 × 46,961.15
  4. Step 4: Simplify right side
    78,790.23x = 5,106,771,632.98
  5. Step 5: Solve for x
    x = 5,106,771,632.98/78,790.23
  6. Step 6: Final answer
    x = 64,814.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.