Home / 76,722.36-115,080.84-26,802.24

Finding the Fourth Proportional to 76,722.36, 115,080.84 and 26,802.24

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Solution

The fourth proportional to 76,722.36, 115,080.84 and 26,802.24 is: 40,202.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,722.36 : 115,080.84 = 26,802.24 : x
  2. Step 2: Convert to fraction form
    76,722.36/115,080.84 = 26,802.24/x
  3. Step 3: Cross multiply
    76,722.36x = 115,080.84 × 26,802.24
  4. Step 4: Simplify right side
    76,722.36x = 3,084,424,293.08
  5. Step 5: Solve for x
    x = 3,084,424,293.08/76,722.36
  6. Step 6: Final answer
    x = 40,202.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.