Home / 53,195.02-79,786.32-13,749.04

Finding the Fourth Proportional to 53,195.02, 79,786.32 and 13,749.04

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Solution

The fourth proportional to 53,195.02, 79,786.32 and 13,749.04 is: 20,621.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,195.02 : 79,786.32 = 13,749.04 : x
  2. Step 2: Convert to fraction form
    53,195.02/79,786.32 = 13,749.04/x
  3. Step 3: Cross multiply
    53,195.02x = 79,786.32 × 13,749.04
  4. Step 4: Simplify right side
    53,195.02x = 1,096,985,305.13
  5. Step 5: Solve for x
    x = 1,096,985,305.13/53,195.02
  6. Step 6: Final answer
    x = 20,621.95

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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.