Home / 56,971.40-85,391.94-35,633.80

Finding the Fourth Proportional to 56,971.40, 85,391.94 and 35,633.80

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Solution

The fourth proportional to 56,971.40, 85,391.94 and 35,633.80 is: 53,409.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,971.40 : 85,391.94 = 35,633.80 : x
  2. Step 2: Convert to fraction form
    56,971.40/85,391.94 = 35,633.80/x
  3. Step 3: Cross multiply
    56,971.40x = 85,391.94 × 35,633.80
  4. Step 4: Simplify right side
    56,971.40x = 3,042,839,311.57
  5. Step 5: Solve for x
    x = 3,042,839,311.57/56,971.40
  6. Step 6: Final answer
    x = 53,409.94

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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.