Home / 101,835.70-152,733.77-51,221.23

Finding the Fourth Proportional to 101,835.70, 152,733.77 and 51,221.23

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Solution

The fourth proportional to 101,835.70, 152,733.77 and 51,221.23 is: 76,821.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,835.70 : 152,733.77 = 51,221.23 : x
  2. Step 2: Convert to fraction form
    101,835.70/152,733.77 = 51,221.23/x
  3. Step 3: Cross multiply
    101,835.70x = 152,733.77 × 51,221.23
  4. Step 4: Simplify right side
    101,835.70x = 7,823,211,116.08
  5. Step 5: Solve for x
    x = 7,823,211,116.08/101,835.70
  6. Step 6: Final answer
    x = 76,821.89

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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.