Home / 125,052.85-187,594.69-40,790.48

Finding the Fourth Proportional to 125,052.85, 187,594.69 and 40,790.48

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Solution

The fourth proportional to 125,052.85, 187,594.69 and 40,790.48 is: 61,190.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,052.85 : 187,594.69 = 40,790.48 : x
  2. Step 2: Convert to fraction form
    125,052.85/187,594.69 = 40,790.48/x
  3. Step 3: Cross multiply
    125,052.85x = 187,594.69 × 40,790.48
  4. Step 4: Simplify right side
    125,052.85x = 7,652,077,450.55
  5. Step 5: Solve for x
    x = 7,652,077,450.55/125,052.85
  6. Step 6: Final answer
    x = 61,190.75

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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.