Home / 109,948.70-164,890.65-43,366.70

Finding the Fourth Proportional to 109,948.70, 164,890.65 and 43,366.70

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Solution

The fourth proportional to 109,948.70, 164,890.65 and 43,366.70 is: 65,037.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,948.70 : 164,890.65 = 43,366.70 : x
  2. Step 2: Convert to fraction form
    109,948.70/164,890.65 = 43,366.70/x
  3. Step 3: Cross multiply
    109,948.70x = 164,890.65 × 43,366.70
  4. Step 4: Simplify right side
    109,948.70x = 7,150,763,351.36
  5. Step 5: Solve for x
    x = 7,150,763,351.36/109,948.70
  6. Step 6: Final answer
    x = 65,037.27

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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.