Home / 54,054.56-81,075.72-14,615.48

Finding the Fourth Proportional to 54,054.56, 81,075.72 and 14,615.48

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Solution

The fourth proportional to 54,054.56, 81,075.72 and 14,615.48 is: 21,921.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,054.56 : 81,075.72 = 14,615.48 : x
  2. Step 2: Convert to fraction form
    54,054.56/81,075.72 = 14,615.48/x
  3. Step 3: Cross multiply
    54,054.56x = 81,075.72 × 14,615.48
  4. Step 4: Simplify right side
    54,054.56x = 1,184,960,564.15
  5. Step 5: Solve for x
    x = 1,184,960,564.15/54,054.56
  6. Step 6: Final answer
    x = 21,921.57

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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.