Home / 123,948.84-171,049.74-67,360.44

Finding the Fourth Proportional to 123,948.84, 171,049.74 and 67,360.44

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Solution

The fourth proportional to 123,948.84, 171,049.74 and 67,360.44 is: 92,957.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,948.84 : 171,049.74 = 67,360.44 : x
  2. Step 2: Convert to fraction form
    123,948.84/171,049.74 = 67,360.44/x
  3. Step 3: Cross multiply
    123,948.84x = 171,049.74 × 67,360.44
  4. Step 4: Simplify right side
    123,948.84x = 11,521,985,748.29
  5. Step 5: Solve for x
    x = 11,521,985,748.29/123,948.84
  6. Step 6: Final answer
    x = 92,957.59

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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.