Home / 20,109.07-30,167.88-6,070.15

Finding the Fourth Proportional to 20,109.07, 30,167.88 and 6,070.15

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Solution

The fourth proportional to 20,109.07, 30,167.88 and 6,070.15 is: 9,106.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,109.07 : 30,167.88 = 6,070.15 : x
  2. Step 2: Convert to fraction form
    20,109.07/30,167.88 = 6,070.15/x
  3. Step 3: Cross multiply
    20,109.07x = 30,167.88 × 6,070.15
  4. Step 4: Simplify right side
    20,109.07x = 183,123,556.78
  5. Step 5: Solve for x
    x = 183,123,556.78/20,109.07
  6. Step 6: Final answer
    x = 9,106.52

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.