Home / 53,403.12-80,106.54-18,342.52

Finding the Fourth Proportional to 53,403.12, 80,106.54 and 18,342.52

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Solution

The fourth proportional to 53,403.12, 80,106.54 and 18,342.52 is: 27,514.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,403.12 : 80,106.54 = 18,342.52 : x
  2. Step 2: Convert to fraction form
    53,403.12/80,106.54 = 18,342.52/x
  3. Step 3: Cross multiply
    53,403.12x = 80,106.54 × 18,342.52
  4. Step 4: Simplify right side
    53,403.12x = 1,469,355,812.08
  5. Step 5: Solve for x
    x = 1,469,355,812.08/53,403.12
  6. Step 6: Final answer
    x = 27,514.42

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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.