Home / 56,734.85-85,112.43-19,292.98

Finding the Fourth Proportional to 56,734.85, 85,112.43 and 19,292.98

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Solution

The fourth proportional to 56,734.85, 85,112.43 and 19,292.98 is: 28,942.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,734.85 : 85,112.43 = 19,292.98 : x
  2. Step 2: Convert to fraction form
    56,734.85/85,112.43 = 19,292.98/x
  3. Step 3: Cross multiply
    56,734.85x = 85,112.43 × 19,292.98
  4. Step 4: Simplify right side
    56,734.85x = 1,642,072,409.74
  5. Step 5: Solve for x
    x = 1,642,072,409.74/56,734.85
  6. Step 6: Final answer
    x = 28,942.92

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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.