Home / 56,040.09-77,334.83-30,546.46

Finding the Fourth Proportional to 56,040.09, 77,334.83 and 30,546.46

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Solution

The fourth proportional to 56,040.09, 77,334.83 and 30,546.46 is: 42,153.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,040.09 : 77,334.83 = 30,546.46 : x
  2. Step 2: Convert to fraction form
    56,040.09/77,334.83 = 30,546.46/x
  3. Step 3: Cross multiply
    56,040.09x = 77,334.83 × 30,546.46
  4. Step 4: Simplify right side
    56,040.09x = 2,362,305,291.20
  5. Step 5: Solve for x
    x = 2,362,305,291.20/56,040.09
  6. Step 6: Final answer
    x = 42,153.85

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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.