Home / 31,148.94-46,724.22-10,089.75

Finding the Fourth Proportional to 31,148.94, 46,724.22 and 10,089.75

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Solution

The fourth proportional to 31,148.94, 46,724.22 and 10,089.75 is: 15,134.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,148.94 : 46,724.22 = 10,089.75 : x
  2. Step 2: Convert to fraction form
    31,148.94/46,724.22 = 10,089.75/x
  3. Step 3: Cross multiply
    31,148.94x = 46,724.22 × 10,089.75
  4. Step 4: Simplify right side
    31,148.94x = 471,435,698.75
  5. Step 5: Solve for x
    x = 471,435,698.75/31,148.94
  6. Step 6: Final answer
    x = 15,134.89

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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.