Home / 98,650.44-136,150.94-55,638.76

Finding the Fourth Proportional to 98,650.44, 136,150.94 and 55,638.76

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Solution

The fourth proportional to 98,650.44, 136,150.94 and 55,638.76 is: 76,789.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,650.44 : 136,150.94 = 55,638.76 : x
  2. Step 2: Convert to fraction form
    98,650.44/136,150.94 = 55,638.76/x
  3. Step 3: Cross multiply
    98,650.44x = 136,150.94 × 55,638.76
  4. Step 4: Simplify right side
    98,650.44x = 7,575,269,474.43
  5. Step 5: Solve for x
    x = 7,575,269,474.43/98,650.44
  6. Step 6: Final answer
    x = 76,789.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.