Home / 100,667.63-151,002.35-30,546.95

Finding the Fourth Proportional to 100,667.63, 151,002.35 and 30,546.95

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Solution

The fourth proportional to 100,667.63, 151,002.35 and 30,546.95 is: 45,820.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,667.63 : 151,002.35 = 30,546.95 : x
  2. Step 2: Convert to fraction form
    100,667.63/151,002.35 = 30,546.95/x
  3. Step 3: Cross multiply
    100,667.63x = 151,002.35 × 30,546.95
  4. Step 4: Simplify right side
    100,667.63x = 4,612,660,327.59
  5. Step 5: Solve for x
    x = 4,612,660,327.59/100,667.63
  6. Step 6: Final answer
    x = 45,820.69

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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.