Home / 52,040.82-78,061.43-12,597.87

Finding the Fourth Proportional to 52,040.82, 78,061.43 and 12,597.87

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Solution

The fourth proportional to 52,040.82, 78,061.43 and 12,597.87 is: 18,896.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,040.82 : 78,061.43 = 12,597.87 : x
  2. Step 2: Convert to fraction form
    52,040.82/78,061.43 = 12,597.87/x
  3. Step 3: Cross multiply
    52,040.82x = 78,061.43 × 12,597.87
  4. Step 4: Simplify right side
    52,040.82x = 983,407,747.15
  5. Step 5: Solve for x
    x = 983,407,747.15/52,040.82
  6. Step 6: Final answer
    x = 18,896.85

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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.