Home / 55,933.76-77,190.24-30,441.95

Finding the Fourth Proportional to 55,933.76, 77,190.24 and 30,441.95

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Solution

The fourth proportional to 55,933.76, 77,190.24 and 30,441.95 is: 42,010.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,933.76 : 77,190.24 = 30,441.95 : x
  2. Step 2: Convert to fraction form
    55,933.76/77,190.24 = 30,441.95/x
  3. Step 3: Cross multiply
    55,933.76x = 77,190.24 × 30,441.95
  4. Step 4: Simplify right side
    55,933.76x = 2,349,821,040.62
  5. Step 5: Solve for x
    x = 2,349,821,040.62/55,933.76
  6. Step 6: Final answer
    x = 42,010.79

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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.