Home / 49,585.64-74,379.24-49,512.74

Finding the Fourth Proportional to 49,585.64, 74,379.24 and 49,512.74

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Solution

The fourth proportional to 49,585.64, 74,379.24 and 49,512.74 is: 74,269.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,585.64 : 74,379.24 = 49,512.74 : x
  2. Step 2: Convert to fraction form
    49,585.64/74,379.24 = 49,512.74/x
  3. Step 3: Cross multiply
    49,585.64x = 74,379.24 × 49,512.74
  4. Step 4: Simplify right side
    49,585.64x = 3,682,719,971.52
  5. Step 5: Solve for x
    x = 3,682,719,971.52/49,585.64
  6. Step 6: Final answer
    x = 74,269.89

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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.