Home / 54,650.34-82,009.47-49,391.70

Finding the Fourth Proportional to 54,650.34, 82,009.47 and 49,391.70

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Solution

The fourth proportional to 54,650.34, 82,009.47 and 49,391.70 is: 74,118.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,650.34 : 82,009.47 = 49,391.70 : x
  2. Step 2: Convert to fraction form
    54,650.34/82,009.47 = 49,391.70/x
  3. Step 3: Cross multiply
    54,650.34x = 82,009.47 × 49,391.70
  4. Step 4: Simplify right side
    54,650.34x = 4,050,587,139.40
  5. Step 5: Solve for x
    x = 4,050,587,139.40/54,650.34
  6. Step 6: Final answer
    x = 74,118.24

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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.