Home / 123,966.36-171,075.51-67,377.87

Finding the Fourth Proportional to 123,966.36, 171,075.51 and 67,377.87

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Solution

The fourth proportional to 123,966.36, 171,075.51 and 67,377.87 is: 92,982.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,966.36 : 171,075.51 = 67,377.87 : x
  2. Step 2: Convert to fraction form
    123,966.36/171,075.51 = 67,377.87/x
  3. Step 3: Cross multiply
    123,966.36x = 171,075.51 × 67,377.87
  4. Step 4: Simplify right side
    123,966.36x = 11,526,703,472.96
  5. Step 5: Solve for x
    x = 11,526,703,472.96/123,966.36
  6. Step 6: Final answer
    x = 92,982.51

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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.