Home / 53,556.23-80,382.53-28,617.60

Finding the Fourth Proportional to 53,556.23, 80,382.53 and 28,617.60

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Solution

The fourth proportional to 53,556.23, 80,382.53 and 28,617.60 is: 42,952.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,556.23 : 80,382.53 = 28,617.60 : x
  2. Step 2: Convert to fraction form
    53,556.23/80,382.53 = 28,617.60/x
  3. Step 3: Cross multiply
    53,556.23x = 80,382.53 × 28,617.60
  4. Step 4: Simplify right side
    53,556.23x = 2,300,355,162.07
  5. Step 5: Solve for x
    x = 2,300,355,162.07/53,556.23
  6. Step 6: Final answer
    x = 42,952.15

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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.