Home / 70,701.54-97,568.46-38,872.50

Finding the Fourth Proportional to 70,701.54, 97,568.46 and 38,872.50

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Solution

The fourth proportional to 70,701.54, 97,568.46 and 38,872.50 is: 53,644.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,701.54 : 97,568.46 = 38,872.50 : x
  2. Step 2: Convert to fraction form
    70,701.54/97,568.46 = 38,872.50/x
  3. Step 3: Cross multiply
    70,701.54x = 97,568.46 × 38,872.50
  4. Step 4: Simplify right side
    70,701.54x = 3,792,729,961.35
  5. Step 5: Solve for x
    x = 3,792,729,961.35/70,701.54
  6. Step 6: Final answer
    x = 53,644.23

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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.