Home / 49,442.15-74,163.36-12,002.06

Finding the Fourth Proportional to 49,442.15, 74,163.36 and 12,002.06

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Solution

The fourth proportional to 49,442.15, 74,163.36 and 12,002.06 is: 18,003.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,442.15 : 74,163.36 = 12,002.06 : x
  2. Step 2: Convert to fraction form
    49,442.15/74,163.36 = 12,002.06/x
  3. Step 3: Cross multiply
    49,442.15x = 74,163.36 × 12,002.06
  4. Step 4: Simplify right side
    49,442.15x = 890,112,725.70
  5. Step 5: Solve for x
    x = 890,112,725.70/49,442.15
  6. Step 6: Final answer
    x = 18,003.12

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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.