Home / 94,608.25-141,912.38-38,478.90

Finding the Fourth Proportional to 94,608.25, 141,912.38 and 38,478.90

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Solution

The fourth proportional to 94,608.25, 141,912.38 and 38,478.90 is: 57,718.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,608.25 : 141,912.38 = 38,478.90 : x
  2. Step 2: Convert to fraction form
    94,608.25/141,912.38 = 38,478.90/x
  3. Step 3: Cross multiply
    94,608.25x = 141,912.38 × 38,478.90
  4. Step 4: Simplify right side
    94,608.25x = 5,460,631,376.83
  5. Step 5: Solve for x
    x = 5,460,631,376.83/94,608.25
  6. Step 6: Final answer
    x = 57,718.34

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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.