Home / 97,845.68-135,027.60-55,408.16

Finding the Fourth Proportional to 97,845.68, 135,027.60 and 55,408.16

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Solution

The fourth proportional to 97,845.68, 135,027.60 and 55,408.16 is: 76,463.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,845.68 : 135,027.60 = 55,408.16 : x
  2. Step 2: Convert to fraction form
    97,845.68/135,027.60 = 55,408.16/x
  3. Step 3: Cross multiply
    97,845.68x = 135,027.60 × 55,408.16
  4. Step 4: Simplify right side
    97,845.68x = 7,481,630,865.22
  5. Step 5: Solve for x
    x = 7,481,630,865.22/97,845.68
  6. Step 6: Final answer
    x = 76,463.58

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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.