Home / 74,559.96-111,839.96-51,115.32

Finding the Fourth Proportional to 74,559.96, 111,839.96 and 51,115.32

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Solution

The fourth proportional to 74,559.96, 111,839.96 and 51,115.32 is: 76,672.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,559.96 : 111,839.96 = 51,115.32 : x
  2. Step 2: Convert to fraction form
    74,559.96/111,839.96 = 51,115.32/x
  3. Step 3: Cross multiply
    74,559.96x = 111,839.96 × 51,115.32
  4. Step 4: Simplify right side
    74,559.96x = 5,716,735,344.19
  5. Step 5: Solve for x
    x = 5,716,735,344.19/74,559.96
  6. Step 6: Final answer
    x = 76,672.99

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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.