Home / 83,611.37-115,376.07-49,614

Finding the Fourth Proportional to 83,611.37, 115,376.07 and 49,614

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Solution

The fourth proportional to 83,611.37, 115,376.07 and 49,614 is: 68,462.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,611.37 : 115,376.07 = 49,614 : x
  2. Step 2: Convert to fraction form
    83,611.37/115,376.07 = 49,614/x
  3. Step 3: Cross multiply
    83,611.37x = 115,376.07 × 49,614
  4. Step 4: Simplify right side
    83,611.37x = 5,724,268,336.98
  5. Step 5: Solve for x
    x = 5,724,268,336.98/83,611.37
  6. Step 6: Final answer
    x = 68,462.80

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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.