Home / 80,430.45-110,986.71-44,620.35

Finding the Fourth Proportional to 80,430.45, 110,986.71 and 44,620.35

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Solution

The fourth proportional to 80,430.45, 110,986.71 and 44,620.35 is: 61,572.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,430.45 : 110,986.71 = 44,620.35 : x
  2. Step 2: Convert to fraction form
    80,430.45/110,986.71 = 44,620.35/x
  3. Step 3: Cross multiply
    80,430.45x = 110,986.71 × 44,620.35
  4. Step 4: Simplify right side
    80,430.45x = 4,952,265,845.55
  5. Step 5: Solve for x
    x = 4,952,265,845.55/80,430.45
  6. Step 6: Final answer
    x = 61,572.03

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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.