Home / 80,592.54-120,885.12-28,006.14

Finding the Fourth Proportional to 80,592.54, 120,885.12 and 28,006.14

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Solution

The fourth proportional to 80,592.54, 120,885.12 and 28,006.14 is: 42,007.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,592.54 : 120,885.12 = 28,006.14 : x
  2. Step 2: Convert to fraction form
    80,592.54/120,885.12 = 28,006.14/x
  3. Step 3: Cross multiply
    80,592.54x = 120,885.12 × 28,006.14
  4. Step 4: Simplify right side
    80,592.54x = 3,385,525,594.64
  5. Step 5: Solve for x
    x = 3,385,525,594.64/80,592.54
  6. Step 6: Final answer
    x = 42,007.93

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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.