Home / 101,868.33-152,763.60-55,095.69

Finding the Fourth Proportional to 101,868.33, 152,763.60 and 55,095.69

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Solution

The fourth proportional to 101,868.33, 152,763.60 and 55,095.69 is: 82,622.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,868.33 : 152,763.60 = 55,095.69 : x
  2. Step 2: Convert to fraction form
    101,868.33/152,763.60 = 55,095.69/x
  3. Step 3: Cross multiply
    101,868.33x = 152,763.60 × 55,095.69
  4. Step 4: Simplify right side
    101,868.33x = 8,416,615,948.88
  5. Step 5: Solve for x
    x = 8,416,615,948.88/101,868.33
  6. Step 6: Final answer
    x = 82,622.50

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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.