Home / 49,455.64-74,183.54-12,015.74

Finding the Fourth Proportional to 49,455.64, 74,183.54 and 12,015.74

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Solution

The fourth proportional to 49,455.64, 74,183.54 and 12,015.74 is: 18,023.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,455.64 : 74,183.54 = 12,015.74 : x
  2. Step 2: Convert to fraction form
    49,455.64/74,183.54 = 12,015.74/x
  3. Step 3: Cross multiply
    49,455.64x = 74,183.54 × 12,015.74
  4. Step 4: Simplify right side
    49,455.64x = 891,369,904.61
  5. Step 5: Solve for x
    x = 891,369,904.61/49,455.64
  6. Step 6: Final answer
    x = 18,023.63

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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.