Home / 116,692.24-161,039-66,394.48

Finding the Fourth Proportional to 116,692.24, 161,039 and 66,394.48

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Solution

The fourth proportional to 116,692.24, 161,039 and 66,394.48 is: 91,626.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,692.24 : 161,039 = 66,394.48 : x
  2. Step 2: Convert to fraction form
    116,692.24/161,039 = 66,394.48/x
  3. Step 3: Cross multiply
    116,692.24x = 161,039 × 66,394.48
  4. Step 4: Simplify right side
    116,692.24x = 10,692,100,664.72
  5. Step 5: Solve for x
    x = 10,692,100,664.72/116,692.24
  6. Step 6: Final answer
    x = 91,626.49

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1.5x scale

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.