Home / 73,709.19-110,563.89-21,106.37

Finding the Fourth Proportional to 73,709.19, 110,563.89 and 21,106.37

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Solution

The fourth proportional to 73,709.19, 110,563.89 and 21,106.37 is: 31,659.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,709.19 : 110,563.89 = 21,106.37 : x
  2. Step 2: Convert to fraction form
    73,709.19/110,563.89 = 21,106.37/x
  3. Step 3: Cross multiply
    73,709.19x = 110,563.89 × 21,106.37
  4. Step 4: Simplify right side
    73,709.19x = 2,333,602,568.24
  5. Step 5: Solve for x
    x = 2,333,602,568.24/73,709.19
  6. Step 6: Final answer
    x = 31,659.59

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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.