Home / 57,976.72-86,994.26-43,215.28

Finding the Fourth Proportional to 57,976.72, 86,994.26 and 43,215.28

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Solution

The fourth proportional to 57,976.72, 86,994.26 and 43,215.28 is: 64,844.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,976.72 : 86,994.26 = 43,215.28 : x
  2. Step 2: Convert to fraction form
    57,976.72/86,994.26 = 43,215.28/x
  3. Step 3: Cross multiply
    57,976.72x = 86,994.26 × 43,215.28
  4. Step 4: Simplify right side
    57,976.72x = 3,759,481,304.29
  5. Step 5: Solve for x
    x = 3,759,481,304.29/57,976.72
  6. Step 6: Final answer
    x = 64,844.67

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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.