Home / 71,431.36-98,568.60-39,597.56

Finding the Fourth Proportional to 71,431.36, 98,568.60 and 39,597.56

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Solution

The fourth proportional to 71,431.36, 98,568.60 and 39,597.56 is: 54,640.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,431.36 : 98,568.60 = 39,597.56 : x
  2. Step 2: Convert to fraction form
    71,431.36/98,568.60 = 39,597.56/x
  3. Step 3: Cross multiply
    71,431.36x = 98,568.60 × 39,597.56
  4. Step 4: Simplify right side
    71,431.36x = 3,903,076,052.62
  5. Step 5: Solve for x
    x = 3,903,076,052.62/71,431.36
  6. Step 6: Final answer
    x = 54,640.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.