Home / 64,195.20-96,283.08-16,811.28

Finding the Fourth Proportional to 64,195.20, 96,283.08 and 16,811.28

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Solution

The fourth proportional to 64,195.20, 96,283.08 and 16,811.28 is: 25,214.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,195.20 : 96,283.08 = 16,811.28 : x
  2. Step 2: Convert to fraction form
    64,195.20/96,283.08 = 16,811.28/x
  3. Step 3: Cross multiply
    64,195.20x = 96,283.08 × 16,811.28
  4. Step 4: Simplify right side
    64,195.20x = 1,618,641,817.14
  5. Step 5: Solve for x
    x = 1,618,641,817.14/64,195.20
  6. Step 6: Final answer
    x = 25,214.37

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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.