Home / 57,245.94-78,984.45-33,040.98

Finding the Fourth Proportional to 57,245.94, 78,984.45 and 33,040.98

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Solution

The fourth proportional to 57,245.94, 78,984.45 and 33,040.98 is: 45,587.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,245.94 : 78,984.45 = 33,040.98 : x
  2. Step 2: Convert to fraction form
    57,245.94/78,984.45 = 33,040.98/x
  3. Step 3: Cross multiply
    57,245.94x = 78,984.45 × 33,040.98
  4. Step 4: Simplify right side
    57,245.94x = 2,609,723,632.76
  5. Step 5: Solve for x
    x = 2,609,723,632.76/57,245.94
  6. Step 6: Final answer
    x = 45,587.93

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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.