Home / 108,692.63-149,967.39-62,741.03

Finding the Fourth Proportional to 108,692.63, 149,967.39 and 62,741.03

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Solution

The fourth proportional to 108,692.63, 149,967.39 and 62,741.03 is: 86,566.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,692.63 : 149,967.39 = 62,741.03 : x
  2. Step 2: Convert to fraction form
    108,692.63/149,967.39 = 62,741.03/x
  3. Step 3: Cross multiply
    108,692.63x = 149,967.39 × 62,741.03
  4. Step 4: Simplify right side
    108,692.63x = 9,409,107,765.17
  5. Step 5: Solve for x
    x = 9,409,107,765.17/108,692.63
  6. Step 6: Final answer
    x = 86,566.20

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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.