Home / 84,424.67-116,455.28-55,744.59

Finding the Fourth Proportional to 84,424.67, 116,455.28 and 55,744.59

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Solution

The fourth proportional to 84,424.67, 116,455.28 and 55,744.59 is: 76,894.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,424.67 : 116,455.28 = 55,744.59 : x
  2. Step 2: Convert to fraction form
    84,424.67/116,455.28 = 55,744.59/x
  3. Step 3: Cross multiply
    84,424.67x = 116,455.28 × 55,744.59
  4. Step 4: Simplify right side
    84,424.67x = 6,491,751,558.21
  5. Step 5: Solve for x
    x = 6,491,751,558.21/84,424.67
  6. Step 6: Final answer
    x = 76,894.02

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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.