Home / 101,803.03-152,788.53-51,216.35

Finding the Fourth Proportional to 101,803.03, 152,788.53 and 51,216.35

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Solution

The fourth proportional to 101,803.03, 152,788.53 and 51,216.35 is: 76,866.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,803.03 : 152,788.53 = 51,216.35 : x
  2. Step 2: Convert to fraction form
    101,803.03/152,788.53 = 51,216.35/x
  3. Step 3: Cross multiply
    101,803.03x = 152,788.53 × 51,216.35
  4. Step 4: Simplify right side
    101,803.03x = 7,825,270,827.93
  5. Step 5: Solve for x
    x = 7,825,270,827.93/101,803.03
  6. Step 6: Final answer
    x = 76,866.78

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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.