Home / 66,836.75-100,271.82-47,153.75

Finding the Fourth Proportional to 66,836.75, 100,271.82 and 47,153.75

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Solution

The fourth proportional to 66,836.75, 100,271.82 and 47,153.75 is: 70,742.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,836.75 : 100,271.82 = 47,153.75 : x
  2. Step 2: Convert to fraction form
    66,836.75/100,271.82 = 47,153.75/x
  3. Step 3: Cross multiply
    66,836.75x = 100,271.82 × 47,153.75
  4. Step 4: Simplify right side
    66,836.75x = 4,728,192,007.79
  5. Step 5: Solve for x
    x = 4,728,192,007.79/66,836.75
  6. Step 6: Final answer
    x = 70,742.40

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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.