Home / 53,293.32-79,940.09-15,866.69

Finding the Fourth Proportional to 53,293.32, 79,940.09 and 15,866.69

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Solution

The fourth proportional to 53,293.32, 79,940.09 and 15,866.69 is: 23,800.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,293.32 : 79,940.09 = 15,866.69 : x
  2. Step 2: Convert to fraction form
    53,293.32/79,940.09 = 15,866.69/x
  3. Step 3: Cross multiply
    53,293.32x = 79,940.09 × 15,866.69
  4. Step 4: Simplify right side
    53,293.32x = 1,268,384,221.94
  5. Step 5: Solve for x
    x = 1,268,384,221.94/53,293.32
  6. Step 6: Final answer
    x = 23,800.06

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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.