Home / 57,197.46-78,905.80-35,988.42

Finding the Fourth Proportional to 57,197.46, 78,905.80 and 35,988.42

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Solution

The fourth proportional to 57,197.46, 78,905.80 and 35,988.42 is: 49,647.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,197.46 : 78,905.80 = 35,988.42 : x
  2. Step 2: Convert to fraction form
    57,197.46/78,905.80 = 35,988.42/x
  3. Step 3: Cross multiply
    57,197.46x = 78,905.80 × 35,988.42
  4. Step 4: Simplify right side
    57,197.46x = 2,839,694,890.89
  5. Step 5: Solve for x
    x = 2,839,694,890.89/57,197.46
  6. Step 6: Final answer
    x = 49,647.22

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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.