Home / 119,559.80-164,986.20-68,569.90

Finding the Fourth Proportional to 119,559.80, 164,986.20 and 68,569.90

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Solution

The fourth proportional to 119,559.80, 164,986.20 and 68,569.90 is: 94,622.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,559.80 : 164,986.20 = 68,569.90 : x
  2. Step 2: Convert to fraction form
    119,559.80/164,986.20 = 68,569.90/x
  3. Step 3: Cross multiply
    119,559.80x = 164,986.20 × 68,569.90
  4. Step 4: Simplify right side
    119,559.80x = 11,313,087,235.38
  5. Step 5: Solve for x
    x = 11,313,087,235.38/119,559.80
  6. Step 6: Final answer
    x = 94,622.84

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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.