Home / 53,895.30-80,648.55-36,399.30

Finding the Fourth Proportional to 53,895.30, 80,648.55 and 36,399.30

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Solution

The fourth proportional to 53,895.30, 80,648.55 and 36,399.30 is: 54,467.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,895.30 : 80,648.55 = 36,399.30 : x
  2. Step 2: Convert to fraction form
    53,895.30/80,648.55 = 36,399.30/x
  3. Step 3: Cross multiply
    53,895.30x = 80,648.55 × 36,399.30
  4. Step 4: Simplify right side
    53,895.30x = 2,935,550,766.02
  5. Step 5: Solve for x
    x = 2,935,550,766.02/53,895.30
  6. Step 6: Final answer
    x = 54,467.66

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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.