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Finding the Fourth Proportional to 66,914.26, 100,410.26 and 29,978.26

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Solution

The fourth proportional to 66,914.26, 100,410.26 and 29,978.26 is: 44,984.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,914.26 : 100,410.26 = 29,978.26 : x
  2. Step 2: Convert to fraction form
    66,914.26/100,410.26 = 29,978.26/x
  3. Step 3: Cross multiply
    66,914.26x = 100,410.26 × 29,978.26
  4. Step 4: Simplify right side
    66,914.26x = 3,010,124,880.95
  5. Step 5: Solve for x
    x = 3,010,124,880.95/66,914.26
  6. Step 6: Final answer
    x = 44,984.80

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1.5x scale

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.