Home / 73,558.24-110,304.60-20,955.28

Finding the Fourth Proportional to 73,558.24, 110,304.60 and 20,955.28

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Solution

The fourth proportional to 73,558.24, 110,304.60 and 20,955.28 is: 31,423.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,558.24 : 110,304.60 = 20,955.28 : x
  2. Step 2: Convert to fraction form
    73,558.24/110,304.60 = 20,955.28/x
  3. Step 3: Cross multiply
    73,558.24x = 110,304.60 × 20,955.28
  4. Step 4: Simplify right side
    73,558.24x = 2,311,463,778.29
  5. Step 5: Solve for x
    x = 2,311,463,778.29/73,558.24
  6. Step 6: Final answer
    x = 31,423.59

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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.