Home / 55,186.93-76,159.61-33,978.43

Finding the Fourth Proportional to 55,186.93, 76,159.61 and 33,978.43

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Solution

The fourth proportional to 55,186.93, 76,159.61 and 33,978.43 is: 46,891.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,186.93 : 76,159.61 = 33,978.43 : x
  2. Step 2: Convert to fraction form
    55,186.93/76,159.61 = 33,978.43/x
  3. Step 3: Cross multiply
    55,186.93x = 76,159.61 × 33,978.43
  4. Step 4: Simplify right side
    55,186.93x = 2,587,783,977.21
  5. Step 5: Solve for x
    x = 2,587,783,977.21/55,186.93
  6. Step 6: Final answer
    x = 46,891.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.