Home / 64,125.45-96,189.83-30,383.55

Finding the Fourth Proportional to 64,125.45, 96,189.83 and 30,383.55

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Solution

The fourth proportional to 64,125.45, 96,189.83 and 30,383.55 is: 45,576.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,125.45 : 96,189.83 = 30,383.55 : x
  2. Step 2: Convert to fraction form
    64,125.45/96,189.83 = 30,383.55/x
  3. Step 3: Cross multiply
    64,125.45x = 96,189.83 × 30,383.55
  4. Step 4: Simplify right side
    64,125.45x = 2,922,588,509.30
  5. Step 5: Solve for x
    x = 2,922,588,509.30/64,125.45
  6. Step 6: Final answer
    x = 45,576.11

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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.