Home / 109,667.52-164,569.32-50,511.60

Finding the Fourth Proportional to 109,667.52, 164,569.32 and 50,511.60

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Solution

The fourth proportional to 109,667.52, 164,569.32 and 50,511.60 is: 75,798.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,667.52 : 164,569.32 = 50,511.60 : x
  2. Step 2: Convert to fraction form
    109,667.52/164,569.32 = 50,511.60/x
  3. Step 3: Cross multiply
    109,667.52x = 164,569.32 × 50,511.60
  4. Step 4: Simplify right side
    109,667.52x = 8,312,659,664.11
  5. Step 5: Solve for x
    x = 8,312,659,664.11/109,667.52
  6. Step 6: Final answer
    x = 75,798.74

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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.