Home / 84,826.75-117,065.78-47,103.43

Finding the Fourth Proportional to 84,826.75, 117,065.78 and 47,103.43

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Solution

The fourth proportional to 84,826.75, 117,065.78 and 47,103.43 is: 65,005.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,826.75 : 117,065.78 = 47,103.43 : x
  2. Step 2: Convert to fraction form
    84,826.75/117,065.78 = 47,103.43/x
  3. Step 3: Cross multiply
    84,826.75x = 117,065.78 × 47,103.43
  4. Step 4: Simplify right side
    84,826.75x = 5,514,199,538.11
  5. Step 5: Solve for x
    x = 5,514,199,538.11/84,826.75
  6. Step 6: Final answer
    x = 65,005.43

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1.5x scale

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.