Home / 53,555.01-73,889.03-30,890.96

Finding the Fourth Proportional to 53,555.01, 73,889.03 and 30,890.96

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Solution

The fourth proportional to 53,555.01, 73,889.03 and 30,890.96 is: 42,619.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,555.01 : 73,889.03 = 30,890.96 : x
  2. Step 2: Convert to fraction form
    53,555.01/73,889.03 = 30,890.96/x
  3. Step 3: Cross multiply
    53,555.01x = 73,889.03 × 30,890.96
  4. Step 4: Simplify right side
    53,555.01x = 2,282,503,100.44
  5. Step 5: Solve for x
    x = 2,282,503,100.44/53,555.01
  6. Step 6: Final answer
    x = 42,619.79

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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.