Home / 65,388.85-98,143.41-50,692.21

Finding the Fourth Proportional to 65,388.85, 98,143.41 and 50,692.21

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Solution

The fourth proportional to 65,388.85, 98,143.41 and 50,692.21 is: 76,084.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,388.85 : 98,143.41 = 50,692.21 : x
  2. Step 2: Convert to fraction form
    65,388.85/98,143.41 = 50,692.21/x
  3. Step 3: Cross multiply
    65,388.85x = 98,143.41 × 50,692.21
  4. Step 4: Simplify right side
    65,388.85x = 4,975,106,349.84
  5. Step 5: Solve for x
    x = 4,975,106,349.84/65,388.85
  6. Step 6: Final answer
    x = 76,084.93

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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.