Home / 70,912.39-97,863.61-39,084.25

Finding the Fourth Proportional to 70,912.39, 97,863.61 and 39,084.25

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Solution

The fourth proportional to 70,912.39, 97,863.61 and 39,084.25 is: 53,938.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,912.39 : 97,863.61 = 39,084.25 : x
  2. Step 2: Convert to fraction form
    70,912.39/97,863.61 = 39,084.25/x
  3. Step 3: Cross multiply
    70,912.39x = 97,863.61 × 39,084.25
  4. Step 4: Simplify right side
    70,912.39x = 3,824,925,799.14
  5. Step 5: Solve for x
    x = 3,824,925,799.14/70,912.39
  6. Step 6: Final answer
    x = 53,938.75

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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.