Home / 55,161.06-76,040.70-43,047.84

Finding the Fourth Proportional to 55,161.06, 76,040.70 and 43,047.84

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Solution

The fourth proportional to 55,161.06, 76,040.70 and 43,047.84 is: 59,342.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,161.06 : 76,040.70 = 43,047.84 : x
  2. Step 2: Convert to fraction form
    55,161.06/76,040.70 = 43,047.84/x
  3. Step 3: Cross multiply
    55,161.06x = 76,040.70 × 43,047.84
  4. Step 4: Simplify right side
    55,161.06x = 3,273,387,887.09
  5. Step 5: Solve for x
    x = 3,273,387,887.09/55,161.06
  6. Step 6: Final answer
    x = 59,342.37

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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.