Home / 66,848.32-100,205.01-41,905.89

Finding the Fourth Proportional to 66,848.32, 100,205.01 and 41,905.89

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Solution

The fourth proportional to 66,848.32, 100,205.01 and 41,905.89 is: 62,816.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,848.32 : 100,205.01 = 41,905.89 : x
  2. Step 2: Convert to fraction form
    66,848.32/100,205.01 = 41,905.89/x
  3. Step 3: Cross multiply
    66,848.32x = 100,205.01 × 41,905.89
  4. Step 4: Simplify right side
    66,848.32x = 4,199,180,021.74
  5. Step 5: Solve for x
    x = 4,199,180,021.74/66,848.32
  6. Step 6: Final answer
    x = 62,816.54

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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.