Home / 84,879.90-117,175.82-53,059.05

Finding the Fourth Proportional to 84,879.90, 117,175.82 and 53,059.05

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Solution

The fourth proportional to 84,879.90, 117,175.82 and 53,059.05 is: 73,247.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,879.90 : 117,175.82 = 53,059.05 : x
  2. Step 2: Convert to fraction form
    84,879.90/117,175.82 = 53,059.05/x
  3. Step 3: Cross multiply
    84,879.90x = 117,175.82 × 53,059.05
  4. Step 4: Simplify right side
    84,879.90x = 6,217,237,426.88
  5. Step 5: Solve for x
    x = 6,217,237,426.88/84,879.90
  6. Step 6: Final answer
    x = 73,247.46

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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.