Home / 66,655.20-99,984.60-29,196

Finding the Fourth Proportional to 66,655.20, 99,984.60 and 29,196

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Solution

The fourth proportional to 66,655.20, 99,984.60 and 29,196 is: 43,794.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,655.20 : 99,984.60 = 29,196 : x
  2. Step 2: Convert to fraction form
    66,655.20/99,984.60 = 29,196/x
  3. Step 3: Cross multiply
    66,655.20x = 99,984.60 × 29,196
  4. Step 4: Simplify right side
    66,655.20x = 2,919,150,381.60
  5. Step 5: Solve for x
    x = 2,919,150,381.60/66,655.20
  6. Step 6: Final answer
    x = 43,794.79

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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.