Home / 120,968.78-166,927.43-67,250.52

Finding the Fourth Proportional to 120,968.78, 166,927.43 and 67,250.52

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Solution

The fourth proportional to 120,968.78, 166,927.43 and 67,250.52 is: 92,800.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,968.78 : 166,927.43 = 67,250.52 : x
  2. Step 2: Convert to fraction form
    120,968.78/166,927.43 = 67,250.52/x
  3. Step 3: Cross multiply
    120,968.78x = 166,927.43 × 67,250.52
  4. Step 4: Simplify right side
    120,968.78x = 11,225,956,133.51
  5. Step 5: Solve for x
    x = 11,225,956,133.51/120,968.78
  6. Step 6: Final answer
    x = 92,800.44

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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.