Home / 109,538.92-164,046.75-56,099.98

Finding the Fourth Proportional to 109,538.92, 164,046.75 and 56,099.98

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Solution

The fourth proportional to 109,538.92, 164,046.75 and 56,099.98 is: 84,015.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,538.92 : 164,046.75 = 56,099.98 : x
  2. Step 2: Convert to fraction form
    109,538.92/164,046.75 = 56,099.98/x
  3. Step 3: Cross multiply
    109,538.92x = 164,046.75 × 56,099.98
  4. Step 4: Simplify right side
    109,538.92x = 9,203,019,394.07
  5. Step 5: Solve for x
    x = 9,203,019,394.07/109,538.92
  6. Step 6: Final answer
    x = 84,015.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.