Home / 123,690.49-170,693.31-67,102.27

Finding the Fourth Proportional to 123,690.49, 170,693.31 and 67,102.27

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Solution

The fourth proportional to 123,690.49, 170,693.31 and 67,102.27 is: 92,601.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,690.49 : 170,693.31 = 67,102.27 : x
  2. Step 2: Convert to fraction form
    123,690.49/170,693.31 = 67,102.27/x
  3. Step 3: Cross multiply
    123,690.49x = 170,693.31 × 67,102.27
  4. Step 4: Simplify right side
    123,690.49x = 11,453,908,574.81
  5. Step 5: Solve for x
    x = 11,453,908,574.81/123,690.49
  6. Step 6: Final answer
    x = 92,601.37

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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.