Home / 79,317.56-109,458.24-43,507.66

Finding the Fourth Proportional to 79,317.56, 109,458.24 and 43,507.66

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Solution

The fourth proportional to 79,317.56, 109,458.24 and 43,507.66 is: 60,040.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,317.56 : 109,458.24 = 43,507.66 : x
  2. Step 2: Convert to fraction form
    79,317.56/109,458.24 = 43,507.66/x
  3. Step 3: Cross multiply
    79,317.56x = 109,458.24 × 43,507.66
  4. Step 4: Simplify right side
    79,317.56x = 4,762,271,350.70
  5. Step 5: Solve for x
    x = 4,762,271,350.70/79,317.56
  6. Step 6: Final answer
    x = 60,040.57

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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.