Home / 77,119.26-115,632.18-50,433.03

Finding the Fourth Proportional to 77,119.26, 115,632.18 and 50,433.03

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Solution

The fourth proportional to 77,119.26, 115,632.18 and 50,433.03 is: 75,619.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,119.26 : 115,632.18 = 50,433.03 : x
  2. Step 2: Convert to fraction form
    77,119.26/115,632.18 = 50,433.03/x
  3. Step 3: Cross multiply
    77,119.26x = 115,632.18 × 50,433.03
  4. Step 4: Simplify right side
    77,119.26x = 5,831,681,202.91
  5. Step 5: Solve for x
    x = 5,831,681,202.91/77,119.26
  6. Step 6: Final answer
    x = 75,619.00

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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.