Home / 56,529.24-77,965.84-50,075.78

Finding the Fourth Proportional to 56,529.24, 77,965.84 and 50,075.78

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Solution

The fourth proportional to 56,529.24, 77,965.84 and 50,075.78 is: 69,065.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,529.24 : 77,965.84 = 50,075.78 : x
  2. Step 2: Convert to fraction form
    56,529.24/77,965.84 = 50,075.78/x
  3. Step 3: Cross multiply
    56,529.24x = 77,965.84 × 50,075.78
  4. Step 4: Simplify right side
    56,529.24x = 3,904,200,251.36
  5. Step 5: Solve for x
    x = 3,904,200,251.36/56,529.24
  6. Step 6: Final answer
    x = 69,065.15

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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.