Home / 66,520.36-99,799.26-29,083.72

Finding the Fourth Proportional to 66,520.36, 99,799.26 and 29,083.72

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Solution

The fourth proportional to 66,520.36, 99,799.26 and 29,083.72 is: 43,633.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,520.36 : 99,799.26 = 29,083.72 : x
  2. Step 2: Convert to fraction form
    66,520.36/99,799.26 = 29,083.72/x
  3. Step 3: Cross multiply
    66,520.36x = 99,799.26 × 29,083.72
  4. Step 4: Simplify right side
    66,520.36x = 2,902,533,734.05
  5. Step 5: Solve for x
    x = 2,902,533,734.05/66,520.36
  6. Step 6: Final answer
    x = 43,633.76

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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.