Home / 109,756.60-164,639.52-53,529.72

Finding the Fourth Proportional to 109,756.60, 164,639.52 and 53,529.72

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Solution

The fourth proportional to 109,756.60, 164,639.52 and 53,529.72 is: 80,296.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,756.60 : 164,639.52 = 53,529.72 : x
  2. Step 2: Convert to fraction form
    109,756.60/164,639.52 = 53,529.72/x
  3. Step 3: Cross multiply
    109,756.60x = 164,639.52 × 53,529.72
  4. Step 4: Simplify right side
    109,756.60x = 8,813,107,406.53
  5. Step 5: Solve for x
    x = 8,813,107,406.53/109,756.60
  6. Step 6: Final answer
    x = 80,296.83

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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.