Home / 75,087.20-103,643.41-43,277.29

Finding the Fourth Proportional to 75,087.20, 103,643.41 and 43,277.29

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Solution

The fourth proportional to 75,087.20, 103,643.41 and 43,277.29 is: 59,735.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,087.20 : 103,643.41 = 43,277.29 : x
  2. Step 2: Convert to fraction form
    75,087.20/103,643.41 = 43,277.29/x
  3. Step 3: Cross multiply
    75,087.20x = 103,643.41 × 43,277.29
  4. Step 4: Simplify right side
    75,087.20x = 4,485,405,911.16
  5. Step 5: Solve for x
    x = 4,485,405,911.16/75,087.20
  6. Step 6: Final answer
    x = 59,735.96

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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.