Home / 90,361.15-124,692.74-50,072.56

Finding the Fourth Proportional to 90,361.15, 124,692.74 and 50,072.56

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Solution

The fourth proportional to 90,361.15, 124,692.74 and 50,072.56 is: 69,097.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,361.15 : 124,692.74 = 50,072.56 : x
  2. Step 2: Convert to fraction form
    90,361.15/124,692.74 = 50,072.56/x
  3. Step 3: Cross multiply
    90,361.15x = 124,692.74 × 50,072.56
  4. Step 4: Simplify right side
    90,361.15x = 6,243,684,705.21
  5. Step 5: Solve for x
    x = 6,243,684,705.21/90,361.15
  6. Step 6: Final answer
    x = 69,097.00

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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.