Home / 90,627.40-135,922.50-34,447.84

Finding the Fourth Proportional to 90,627.40, 135,922.50 and 34,447.84

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Solution

The fourth proportional to 90,627.40, 135,922.50 and 34,447.84 is: 51,664.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,627.40 : 135,922.50 = 34,447.84 : x
  2. Step 2: Convert to fraction form
    90,627.40/135,922.50 = 34,447.84/x
  3. Step 3: Cross multiply
    90,627.40x = 135,922.50 × 34,447.84
  4. Step 4: Simplify right side
    90,627.40x = 4,682,236,532.40
  5. Step 5: Solve for x
    x = 4,682,236,532.40/90,627.40
  6. Step 6: Final answer
    x = 51,664.69

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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.