Home / 83,476.98-115,181.21-49,470.50

Finding the Fourth Proportional to 83,476.98, 115,181.21 and 49,470.50

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Solution

The fourth proportional to 83,476.98, 115,181.21 and 49,470.50 is: 68,259.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,476.98 : 115,181.21 = 49,470.50 : x
  2. Step 2: Convert to fraction form
    83,476.98/115,181.21 = 49,470.50/x
  3. Step 3: Cross multiply
    83,476.98x = 115,181.21 × 49,470.50
  4. Step 4: Simplify right side
    83,476.98x = 5,698,072,460.93
  5. Step 5: Solve for x
    x = 5,698,072,460.93/83,476.98
  6. Step 6: Final answer
    x = 68,259.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.