Home / 55,618.44-76,753.52-30,754.79

Finding the Fourth Proportional to 55,618.44, 76,753.52 and 30,754.79

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Solution

The fourth proportional to 55,618.44, 76,753.52 and 30,754.79 is: 42,441.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,618.44 : 76,753.52 = 30,754.79 : x
  2. Step 2: Convert to fraction form
    55,618.44/76,753.52 = 30,754.79/x
  3. Step 3: Cross multiply
    55,618.44x = 76,753.52 × 30,754.79
  4. Step 4: Simplify right side
    55,618.44x = 2,360,538,254.98
  5. Step 5: Solve for x
    x = 2,360,538,254.98/55,618.44
  6. Step 6: Final answer
    x = 42,441.65

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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.