Home / 123,943.98-171,043.77-67,355.35

Finding the Fourth Proportional to 123,943.98, 171,043.77 and 67,355.35

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Solution

The fourth proportional to 123,943.98, 171,043.77 and 67,355.35 is: 92,950.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,943.98 : 171,043.77 = 67,355.35 : x
  2. Step 2: Convert to fraction form
    123,943.98/171,043.77 = 67,355.35/x
  3. Step 3: Cross multiply
    123,943.98x = 171,043.77 × 67,355.35
  4. Step 4: Simplify right side
    123,943.98x = 11,520,712,993.67
  5. Step 5: Solve for x
    x = 11,520,712,993.67/123,943.98
  6. Step 6: Final answer
    x = 92,950.97

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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.