Home / 53,736.65-80,573.81-18,186.15

Finding the Fourth Proportional to 53,736.65, 80,573.81 and 18,186.15

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Solution

The fourth proportional to 53,736.65, 80,573.81 and 18,186.15 is: 27,268.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,736.65 : 80,573.81 = 18,186.15 : x
  2. Step 2: Convert to fraction form
    53,736.65/80,573.81 = 18,186.15/x
  3. Step 3: Cross multiply
    53,736.65x = 80,573.81 × 18,186.15
  4. Step 4: Simplify right side
    53,736.65x = 1,465,327,303.80
  5. Step 5: Solve for x
    x = 1,465,327,303.80/53,736.65
  6. Step 6: Final answer
    x = 27,268.68

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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.