Home / 84,076.26-115,959.58-53,864.37

Finding the Fourth Proportional to 84,076.26, 115,959.58 and 53,864.37

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Solution

The fourth proportional to 84,076.26, 115,959.58 and 53,864.37 is: 74,290.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,076.26 : 115,959.58 = 53,864.37 : x
  2. Step 2: Convert to fraction form
    84,076.26/115,959.58 = 53,864.37/x
  3. Step 3: Cross multiply
    84,076.26x = 115,959.58 × 53,864.37
  4. Step 4: Simplify right side
    84,076.26x = 6,246,089,722.16
  5. Step 5: Solve for x
    x = 6,246,089,722.16/84,076.26
  6. Step 6: Final answer
    x = 74,290.77

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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.