Home / 45,650.85-62,976.36-28,646.64

Finding the Fourth Proportional to 45,650.85, 62,976.36 and 28,646.64

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Solution

The fourth proportional to 45,650.85, 62,976.36 and 28,646.64 is: 39,518.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,650.85 : 62,976.36 = 28,646.64 : x
  2. Step 2: Convert to fraction form
    45,650.85/62,976.36 = 28,646.64/x
  3. Step 3: Cross multiply
    45,650.85x = 62,976.36 × 28,646.64
  4. Step 4: Simplify right side
    45,650.85x = 1,804,061,113.43
  5. Step 5: Solve for x
    x = 1,804,061,113.43/45,650.85
  6. Step 6: Final answer
    x = 39,518.68

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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.