Home / 79,552.98-109,779.03-43,742.07

Finding the Fourth Proportional to 79,552.98, 109,779.03 and 43,742.07

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Solution

The fourth proportional to 79,552.98, 109,779.03 and 43,742.07 is: 60,361.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,552.98 : 109,779.03 = 43,742.07 : x
  2. Step 2: Convert to fraction form
    79,552.98/109,779.03 = 43,742.07/x
  3. Step 3: Cross multiply
    79,552.98x = 109,779.03 × 43,742.07
  4. Step 4: Simplify right side
    79,552.98x = 4,801,962,014.79
  5. Step 5: Solve for x
    x = 4,801,962,014.79/79,552.98
  6. Step 6: Final answer
    x = 60,361.81

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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.