Home / 73,093.14-109,631.19-19,782.59

Finding the Fourth Proportional to 73,093.14, 109,631.19 and 19,782.59

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Solution

The fourth proportional to 73,093.14, 109,631.19 and 19,782.59 is: 29,671.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,093.14 : 109,631.19 = 19,782.59 : x
  2. Step 2: Convert to fraction form
    73,093.14/109,631.19 = 19,782.59/x
  3. Step 3: Cross multiply
    73,093.14x = 109,631.19 × 19,782.59
  4. Step 4: Simplify right side
    73,093.14x = 2,168,788,334.83
  5. Step 5: Solve for x
    x = 2,168,788,334.83/73,093.14
  6. Step 6: Final answer
    x = 29,671.57

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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.