Home / 66,133.06-99,205.97-21,749.11

Finding the Fourth Proportional to 66,133.06, 99,205.97 and 21,749.11

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Solution

The fourth proportional to 66,133.06, 99,205.97 and 21,749.11 is: 32,625.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,133.06 : 99,205.97 = 21,749.11 : x
  2. Step 2: Convert to fraction form
    66,133.06/99,205.97 = 21,749.11/x
  3. Step 3: Cross multiply
    66,133.06x = 99,205.97 × 21,749.11
  4. Step 4: Simplify right side
    66,133.06x = 2,157,641,197.43
  5. Step 5: Solve for x
    x = 2,157,641,197.43/66,133.06
  6. Step 6: Final answer
    x = 32,625.76

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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.