Home / 113,144.07-169,457.76-54,021.26

Finding the Fourth Proportional to 113,144.07, 169,457.76 and 54,021.26

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Solution

The fourth proportional to 113,144.07, 169,457.76 and 54,021.26 is: 80,908.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,144.07 : 169,457.76 = 54,021.26 : x
  2. Step 2: Convert to fraction form
    113,144.07/169,457.76 = 54,021.26/x
  3. Step 3: Cross multiply
    113,144.07x = 169,457.76 × 54,021.26
  4. Step 4: Simplify right side
    113,144.07x = 9,154,321,711.98
  5. Step 5: Solve for x
    x = 9,154,321,711.98/113,144.07
  6. Step 6: Final answer
    x = 80,908.54

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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.