Home / 80,030.96-120,025.32-23,855.92

Finding the Fourth Proportional to 80,030.96, 120,025.32 and 23,855.92

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Solution

The fourth proportional to 80,030.96, 120,025.32 and 23,855.92 is: 35,777.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,030.96 : 120,025.32 = 23,855.92 : x
  2. Step 2: Convert to fraction form
    80,030.96/120,025.32 = 23,855.92/x
  3. Step 3: Cross multiply
    80,030.96x = 120,025.32 × 23,855.92
  4. Step 4: Simplify right side
    80,030.96x = 2,863,314,431.89
  5. Step 5: Solve for x
    x = 2,863,314,431.89/80,030.96
  6. Step 6: Final answer
    x = 35,777.58

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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.