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Finding the Fourth Proportional to 66,860.62, 100,323.57 and 29,416.01

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Solution

The fourth proportional to 66,860.62, 100,323.57 and 29,416.01 is: 44,138.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,860.62 : 100,323.57 = 29,416.01 : x
  2. Step 2: Convert to fraction form
    66,860.62/100,323.57 = 29,416.01/x
  3. Step 3: Cross multiply
    66,860.62x = 100,323.57 × 29,416.01
  4. Step 4: Simplify right side
    66,860.62x = 2,951,118,747.05
  5. Step 5: Solve for x
    x = 2,951,118,747.05/66,860.62
  6. Step 6: Final answer
    x = 44,138.37

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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.