Home / 81,692.33-122,464.62-56,744.10

Finding the Fourth Proportional to 81,692.33, 122,464.62 and 56,744.10

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Solution

The fourth proportional to 81,692.33, 122,464.62 and 56,744.10 is: 85,064.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,692.33 : 122,464.62 = 56,744.10 : x
  2. Step 2: Convert to fraction form
    81,692.33/122,464.62 = 56,744.10/x
  3. Step 3: Cross multiply
    81,692.33x = 122,464.62 × 56,744.10
  4. Step 4: Simplify right side
    81,692.33x = 6,949,144,643.74
  5. Step 5: Solve for x
    x = 6,949,144,643.74/81,692.33
  6. Step 6: Final answer
    x = 85,064.84

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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.