Home / 84,873.29-117,139.57-49,085.06

Finding the Fourth Proportional to 84,873.29, 117,139.57 and 49,085.06

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Solution

The fourth proportional to 84,873.29, 117,139.57 and 49,085.06 is: 67,745.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,873.29 : 117,139.57 = 49,085.06 : x
  2. Step 2: Convert to fraction form
    84,873.29/117,139.57 = 49,085.06/x
  3. Step 3: Cross multiply
    84,873.29x = 117,139.57 × 49,085.06
  4. Step 4: Simplify right side
    84,873.29x = 5,749,802,113.41
  5. Step 5: Solve for x
    x = 5,749,802,113.41/84,873.29
  6. Step 6: Final answer
    x = 67,745.72

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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.