Home / 90,361.30-124,699.32-50,075.73

Finding the Fourth Proportional to 90,361.30, 124,699.32 and 50,075.73

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Solution

The fourth proportional to 90,361.30, 124,699.32 and 50,075.73 is: 69,104.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,361.30 : 124,699.32 = 50,075.73 : x
  2. Step 2: Convert to fraction form
    90,361.30/124,699.32 = 50,075.73/x
  3. Step 3: Cross multiply
    90,361.30x = 124,699.32 × 50,075.73
  4. Step 4: Simplify right side
    90,361.30x = 6,244,409,369.66
  5. Step 5: Solve for x
    x = 6,244,409,369.66/90,361.30
  6. Step 6: Final answer
    x = 69,104.91

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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.