Home / 81,898.24-113,020.38-45,600.19

Finding the Fourth Proportional to 81,898.24, 113,020.38 and 45,600.19

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Solution

The fourth proportional to 81,898.24, 113,020.38 and 45,600.19 is: 62,928.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,898.24 : 113,020.38 = 45,600.19 : x
  2. Step 2: Convert to fraction form
    81,898.24/113,020.38 = 45,600.19/x
  3. Step 3: Cross multiply
    81,898.24x = 113,020.38 × 45,600.19
  4. Step 4: Simplify right side
    81,898.24x = 5,153,750,644.82
  5. Step 5: Solve for x
    x = 5,153,750,644.82/81,898.24
  6. Step 6: Final answer
    x = 62,928.71

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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.