Home / 66,556.44-99,808.68-28,602.24

Finding the Fourth Proportional to 66,556.44, 99,808.68 and 28,602.24

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Solution

The fourth proportional to 66,556.44, 99,808.68 and 28,602.24 is: 42,892.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,556.44 : 99,808.68 = 28,602.24 : x
  2. Step 2: Convert to fraction form
    66,556.44/99,808.68 = 28,602.24/x
  3. Step 3: Cross multiply
    66,556.44x = 99,808.68 × 28,602.24
  4. Step 4: Simplify right side
    66,556.44x = 2,854,751,819.44
  5. Step 5: Solve for x
    x = 2,854,751,819.44/66,556.44
  6. Step 6: Final answer
    x = 42,892.20

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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.