Home / 103,747.43-155,509.07-50,326.31

Finding the Fourth Proportional to 103,747.43, 155,509.07 and 50,326.31

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Solution

The fourth proportional to 103,747.43, 155,509.07 and 50,326.31 is: 75,435.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,747.43 : 155,509.07 = 50,326.31 : x
  2. Step 2: Convert to fraction form
    103,747.43/155,509.07 = 50,326.31/x
  3. Step 3: Cross multiply
    103,747.43x = 155,509.07 × 50,326.31
  4. Step 4: Simplify right side
    103,747.43x = 7,826,197,801.77
  5. Step 5: Solve for x
    x = 7,826,197,801.77/103,747.43
  6. Step 6: Final answer
    x = 75,435.10

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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.