Home / 123,692.43-170,695.58-69,976.34

Finding the Fourth Proportional to 123,692.43, 170,695.58 and 69,976.34

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Solution

The fourth proportional to 123,692.43, 170,695.58 and 69,976.34 is: 96,567.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,692.43 : 170,695.58 = 69,976.34 : x
  2. Step 2: Convert to fraction form
    123,692.43/170,695.58 = 69,976.34/x
  3. Step 3: Cross multiply
    123,692.43x = 170,695.58 × 69,976.34
  4. Step 4: Simplify right side
    123,692.43x = 11,944,650,739.22
  5. Step 5: Solve for x
    x = 11,944,650,739.22/123,692.43
  6. Step 6: Final answer
    x = 96,567.35

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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.