Home / 53,857.98-80,821.53-26,140.86

Finding the Fourth Proportional to 53,857.98, 80,821.53 and 26,140.86

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Solution

The fourth proportional to 53,857.98, 80,821.53 and 26,140.86 is: 39,228.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,857.98 : 80,821.53 = 26,140.86 : x
  2. Step 2: Convert to fraction form
    53,857.98/80,821.53 = 26,140.86/x
  3. Step 3: Cross multiply
    53,857.98x = 80,821.53 × 26,140.86
  4. Step 4: Simplify right side
    53,857.98x = 2,112,744,300.72
  5. Step 5: Solve for x
    x = 2,112,744,300.72/53,857.98
  6. Step 6: Final answer
    x = 39,228.06

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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.