Home / 83,774.26-115,500.69-68,611.06

Finding the Fourth Proportional to 83,774.26, 115,500.69 and 68,611.06

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Solution

The fourth proportional to 83,774.26, 115,500.69 and 68,611.06 is: 94,594.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,774.26 : 115,500.69 = 68,611.06 : x
  2. Step 2: Convert to fraction form
    83,774.26/115,500.69 = 68,611.06/x
  3. Step 3: Cross multiply
    83,774.26x = 115,500.69 × 68,611.06
  4. Step 4: Simplify right side
    83,774.26x = 7,924,624,771.63
  5. Step 5: Solve for x
    x = 7,924,624,771.63/83,774.26
  6. Step 6: Final answer
    x = 94,594.98

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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.