Home / 66,296.06-99,443.97-19,581.74

Finding the Fourth Proportional to 66,296.06, 99,443.97 and 19,581.74

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Solution

The fourth proportional to 66,296.06, 99,443.97 and 19,581.74 is: 29,372.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,296.06 : 99,443.97 = 19,581.74 : x
  2. Step 2: Convert to fraction form
    66,296.06/99,443.97 = 19,581.74/x
  3. Step 3: Cross multiply
    66,296.06x = 99,443.97 × 19,581.74
  4. Step 4: Simplify right side
    66,296.06x = 1,947,285,965.11
  5. Step 5: Solve for x
    x = 1,947,285,965.11/66,296.06
  6. Step 6: Final answer
    x = 29,372.57

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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.