Home / 84,788.85-117,009.06-52,976.20

Finding the Fourth Proportional to 84,788.85, 117,009.06 and 52,976.20

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Solution

The fourth proportional to 84,788.85, 117,009.06 and 52,976.20 is: 73,107.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,788.85 : 117,009.06 = 52,976.20 : x
  2. Step 2: Convert to fraction form
    84,788.85/117,009.06 = 52,976.20/x
  3. Step 3: Cross multiply
    84,788.85x = 117,009.06 × 52,976.20
  4. Step 4: Simplify right side
    84,788.85x = 6,198,694,779.33
  5. Step 5: Solve for x
    x = 6,198,694,779.33/84,788.85
  6. Step 6: Final answer
    x = 73,107.43

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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.