Home / 53,182.30-79,749.06-18,107.68

Finding the Fourth Proportional to 53,182.30, 79,749.06 and 18,107.68

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Solution

The fourth proportional to 53,182.30, 79,749.06 and 18,107.68 is: 27,153.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,182.30 : 79,749.06 = 18,107.68 : x
  2. Step 2: Convert to fraction form
    53,182.30/79,749.06 = 18,107.68/x
  3. Step 3: Cross multiply
    53,182.30x = 79,749.06 × 18,107.68
  4. Step 4: Simplify right side
    53,182.30x = 1,444,070,458.78
  5. Step 5: Solve for x
    x = 1,444,070,458.78/53,182.30
  6. Step 6: Final answer
    x = 27,153.22

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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.