Home / 90,743.21-136,114.34-23,274.95

Finding the Fourth Proportional to 90,743.21, 136,114.34 and 23,274.95

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Solution

The fourth proportional to 90,743.21, 136,114.34 and 23,274.95 is: 34,912.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,743.21 : 136,114.34 = 23,274.95 : x
  2. Step 2: Convert to fraction form
    90,743.21/136,114.34 = 23,274.95/x
  3. Step 3: Cross multiply
    90,743.21x = 136,114.34 × 23,274.95
  4. Step 4: Simplify right side
    90,743.21x = 3,168,054,856.26
  5. Step 5: Solve for x
    x = 3,168,054,856.26/90,743.21
  6. Step 6: Final answer
    x = 34,912.31

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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.