Home / 43,130.72-59,202.39-38,309.60

Finding the Fourth Proportional to 43,130.72, 59,202.39 and 38,309.60

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Solution

The fourth proportional to 43,130.72, 59,202.39 and 38,309.60 is: 52,584.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,130.72 : 59,202.39 = 38,309.60 : x
  2. Step 2: Convert to fraction form
    43,130.72/59,202.39 = 38,309.60/x
  3. Step 3: Cross multiply
    43,130.72x = 59,202.39 × 38,309.60
  4. Step 4: Simplify right side
    43,130.72x = 2,268,019,583.93
  5. Step 5: Solve for x
    x = 2,268,019,583.93/43,130.72
  6. Step 6: Final answer
    x = 52,584.79

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.