Home / 123,692.06-170,695.07-69,975.96

Finding the Fourth Proportional to 123,692.06, 170,695.07 and 69,975.96

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Solution

The fourth proportional to 123,692.06, 170,695.07 and 69,975.96 is: 96,566.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,692.06 : 170,695.07 = 69,975.96 : x
  2. Step 2: Convert to fraction form
    123,692.06/170,695.07 = 69,975.96/x
  3. Step 3: Cross multiply
    123,692.06x = 170,695.07 × 69,975.96
  4. Step 4: Simplify right side
    123,692.06x = 11,944,551,040.64
  5. Step 5: Solve for x
    x = 11,944,551,040.64/123,692.06
  6. Step 6: Final answer
    x = 96,566.84

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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.