Home / 80,063.07-120,101.40-23,899.56

Finding the Fourth Proportional to 80,063.07, 120,101.40 and 23,899.56

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Solution

The fourth proportional to 80,063.07, 120,101.40 and 23,899.56 is: 35,851.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,063.07 : 120,101.40 = 23,899.56 : x
  2. Step 2: Convert to fraction form
    80,063.07/120,101.40 = 23,899.56/x
  3. Step 3: Cross multiply
    80,063.07x = 120,101.40 × 23,899.56
  4. Step 4: Simplify right side
    80,063.07x = 2,870,370,615.38
  5. Step 5: Solve for x
    x = 2,870,370,615.38/80,063.07
  6. Step 6: Final answer
    x = 35,851.37

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1.5x scale

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.