Home / 65,396.86-90,075.78-50,260.56

Finding the Fourth Proportional to 65,396.86, 90,075.78 and 50,260.56

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Solution

The fourth proportional to 65,396.86, 90,075.78 and 50,260.56 is: 69,227.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,396.86 : 90,075.78 = 50,260.56 : x
  2. Step 2: Convert to fraction form
    65,396.86/90,075.78 = 50,260.56/x
  3. Step 3: Cross multiply
    65,396.86x = 90,075.78 × 50,260.56
  4. Step 4: Simplify right side
    65,396.86x = 4,527,259,145.24
  5. Step 5: Solve for x
    x = 4,527,259,145.24/65,396.86
  6. Step 6: Final answer
    x = 69,227.47

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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.