Home / 53,220.56-73,449.30-30,562.52

Finding the Fourth Proportional to 53,220.56, 73,449.30 and 30,562.52

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Solution

The fourth proportional to 53,220.56, 73,449.30 and 30,562.52 is: 42,179.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,220.56 : 73,449.30 = 30,562.52 : x
  2. Step 2: Convert to fraction form
    53,220.56/73,449.30 = 30,562.52/x
  3. Step 3: Cross multiply
    53,220.56x = 73,449.30 × 30,562.52
  4. Step 4: Simplify right side
    53,220.56x = 2,244,795,700.24
  5. Step 5: Solve for x
    x = 2,244,795,700.24/53,220.56
  6. Step 6: Final answer
    x = 42,179.11

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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.