Home / 66,201.06-99,301.61-19,453.94

Finding the Fourth Proportional to 66,201.06, 99,301.61 and 19,453.94

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Solution

The fourth proportional to 66,201.06, 99,301.61 and 19,453.94 is: 29,180.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,201.06 : 99,301.61 = 19,453.94 : x
  2. Step 2: Convert to fraction form
    66,201.06/99,301.61 = 19,453.94/x
  3. Step 3: Cross multiply
    66,201.06x = 99,301.61 × 19,453.94
  4. Step 4: Simplify right side
    66,201.06x = 1,931,807,562.84
  5. Step 5: Solve for x
    x = 1,931,807,562.84/66,201.06
  6. Step 6: Final answer
    x = 29,180.92

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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.