Home / 66,725.82-100,128.21-24,635.25

Finding the Fourth Proportional to 66,725.82, 100,128.21 and 24,635.25

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Solution

The fourth proportional to 66,725.82, 100,128.21 and 24,635.25 is: 36,967.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,725.82 : 100,128.21 = 24,635.25 : x
  2. Step 2: Convert to fraction form
    66,725.82/100,128.21 = 24,635.25/x
  3. Step 3: Cross multiply
    66,725.82x = 100,128.21 × 24,635.25
  4. Step 4: Simplify right side
    66,725.82x = 2,466,683,485.40
  5. Step 5: Solve for x
    x = 2,466,683,485.40/66,725.82
  6. Step 6: Final answer
    x = 36,967.45

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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.