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Finding the Fourth Proportional to 84,951.37, 127,408.22 and 51,551.63

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Solution

The fourth proportional to 84,951.37, 127,408.22 and 51,551.63 is: 77,316.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,951.37 : 127,408.22 = 51,551.63 : x
  2. Step 2: Convert to fraction form
    84,951.37/127,408.22 = 51,551.63/x
  3. Step 3: Cross multiply
    84,951.37x = 127,408.22 × 51,551.63
  4. Step 4: Simplify right side
    84,951.37x = 6,568,101,416.40
  5. Step 5: Solve for x
    x = 6,568,101,416.40/84,951.37
  6. Step 6: Final answer
    x = 77,316.02

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1.5x scale

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.