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Finding the Fourth Proportional to 64,483.11, 96,762.24 and 27,040.32

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Solution

The fourth proportional to 64,483.11, 96,762.24 and 27,040.32 is: 40,576.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,483.11 : 96,762.24 = 27,040.32 : x
  2. Step 2: Convert to fraction form
    64,483.11/96,762.24 = 27,040.32/x
  3. Step 3: Cross multiply
    64,483.11x = 96,762.24 × 27,040.32
  4. Step 4: Simplify right side
    64,483.11x = 2,616,481,933.52
  5. Step 5: Solve for x
    x = 2,616,481,933.52/64,483.11
  6. Step 6: Final answer
    x = 40,576.24

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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.