Home / 84,789.35-117,009.75-52,976.70

Finding the Fourth Proportional to 84,789.35, 117,009.75 and 52,976.70

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Solution

The fourth proportional to 84,789.35, 117,009.75 and 52,976.70 is: 73,108.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,789.35 : 117,009.75 = 52,976.70 : x
  2. Step 2: Convert to fraction form
    84,789.35/117,009.75 = 52,976.70/x
  3. Step 3: Cross multiply
    84,789.35x = 117,009.75 × 52,976.70
  4. Step 4: Simplify right side
    84,789.35x = 6,198,789,837.78
  5. Step 5: Solve for x
    x = 6,198,789,837.78/84,789.35
  6. Step 6: Final answer
    x = 73,108.12

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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.