Home / 53,059.25-73,221.81-30,703.25

Finding the Fourth Proportional to 53,059.25, 73,221.81 and 30,703.25

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Solution

The fourth proportional to 53,059.25, 73,221.81 and 30,703.25 is: 42,370.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,059.25 : 73,221.81 = 30,703.25 : x
  2. Step 2: Convert to fraction form
    53,059.25/73,221.81 = 30,703.25/x
  3. Step 3: Cross multiply
    53,059.25x = 73,221.81 × 30,703.25
  4. Step 4: Simplify right side
    53,059.25x = 2,248,147,537.88
  5. Step 5: Solve for x
    x = 2,248,147,537.88/53,059.25
  6. Step 6: Final answer
    x = 42,370.51

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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.