Home / 66,912.83-100,281.75-27,423.71

Finding the Fourth Proportional to 66,912.83, 100,281.75 and 27,423.71

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Solution

The fourth proportional to 66,912.83, 100,281.75 and 27,423.71 is: 41,099.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,912.83 : 100,281.75 = 27,423.71 : x
  2. Step 2: Convert to fraction form
    66,912.83/100,281.75 = 27,423.71/x
  3. Step 3: Cross multiply
    66,912.83x = 100,281.75 × 27,423.71
  4. Step 4: Simplify right side
    66,912.83x = 2,750,097,630.29
  5. Step 5: Solve for x
    x = 2,750,097,630.29/66,912.83
  6. Step 6: Final answer
    x = 41,099.71

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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.