Home / 64,138.10-96,204.11-43,087.01

Finding the Fourth Proportional to 64,138.10, 96,204.11 and 43,087.01

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Solution

The fourth proportional to 64,138.10, 96,204.11 and 43,087.01 is: 64,628.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,138.10 : 96,204.11 = 43,087.01 : x
  2. Step 2: Convert to fraction form
    64,138.10/96,204.11 = 43,087.01/x
  3. Step 3: Cross multiply
    64,138.10x = 96,204.11 × 43,087.01
  4. Step 4: Simplify right side
    64,138.10x = 4,145,146,753.16
  5. Step 5: Solve for x
    x = 4,145,146,753.16/64,138.10
  6. Step 6: Final answer
    x = 64,628.47

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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.