Home / 55,178.22-82,803.69-30,235.79

Finding the Fourth Proportional to 55,178.22, 82,803.69 and 30,235.79

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Solution

The fourth proportional to 55,178.22, 82,803.69 and 30,235.79 is: 45,373.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,178.22 : 82,803.69 = 30,235.79 : x
  2. Step 2: Convert to fraction form
    55,178.22/82,803.69 = 30,235.79/x
  3. Step 3: Cross multiply
    55,178.22x = 82,803.69 × 30,235.79
  4. Step 4: Simplify right side
    55,178.22x = 2,503,634,568.05
  5. Step 5: Solve for x
    x = 2,503,634,568.05/55,178.22
  6. Step 6: Final answer
    x = 45,373.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.