Home / 90,742.71-136,113.60-23,274.44

Finding the Fourth Proportional to 90,742.71, 136,113.60 and 23,274.44

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Solution

The fourth proportional to 90,742.71, 136,113.60 and 23,274.44 is: 34,911.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,742.71 : 136,113.60 = 23,274.44 : x
  2. Step 2: Convert to fraction form
    90,742.71/136,113.60 = 23,274.44/x
  3. Step 3: Cross multiply
    90,742.71x = 136,113.60 × 23,274.44
  4. Step 4: Simplify right side
    90,742.71x = 3,167,967,135.82
  5. Step 5: Solve for x
    x = 3,167,967,135.82/90,742.71
  6. Step 6: Final answer
    x = 34,911.53

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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.