Home / 64,431.21-96,607.97-28,886.10

Finding the Fourth Proportional to 64,431.21, 96,607.97 and 28,886.10

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Solution

The fourth proportional to 64,431.21, 96,607.97 and 28,886.10 is: 43,311.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,431.21 : 96,607.97 = 28,886.10 : x
  2. Step 2: Convert to fraction form
    64,431.21/96,607.97 = 28,886.10/x
  3. Step 3: Cross multiply
    64,431.21x = 96,607.97 × 28,886.10
  4. Step 4: Simplify right side
    64,431.21x = 2,790,627,337.79
  5. Step 5: Solve for x
    x = 2,790,627,337.79/64,431.21
  6. Step 6: Final answer
    x = 43,311.73

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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.