Home / 78,664.96-108,563.84-44,684.16

Finding the Fourth Proportional to 78,664.96, 108,563.84 and 44,684.16

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Solution

The fourth proportional to 78,664.96, 108,563.84 and 44,684.16 is: 61,667.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,664.96 : 108,563.84 = 44,684.16 : x
  2. Step 2: Convert to fraction form
    78,664.96/108,563.84 = 44,684.16/x
  3. Step 3: Cross multiply
    78,664.96x = 108,563.84 × 44,684.16
  4. Step 4: Simplify right side
    78,664.96x = 4,851,083,996.77
  5. Step 5: Solve for x
    x = 4,851,083,996.77/78,664.96
  6. Step 6: Final answer
    x = 61,667.66

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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.