Home / 80,056.78-120,087.60-27,465.50

Finding the Fourth Proportional to 80,056.78, 120,087.60 and 27,465.50

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Solution

The fourth proportional to 80,056.78, 120,087.60 and 27,465.50 is: 41,199.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,056.78 : 120,087.60 = 27,465.50 : x
  2. Step 2: Convert to fraction form
    80,056.78/120,087.60 = 27,465.50/x
  3. Step 3: Cross multiply
    80,056.78x = 120,087.60 × 27,465.50
  4. Step 4: Simplify right side
    80,056.78x = 3,298,265,977.80
  5. Step 5: Solve for x
    x = 3,298,265,977.80/80,056.78
  6. Step 6: Final answer
    x = 41,199.08

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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.