Home / 54,108.73-81,163.05-35,506.45

Finding the Fourth Proportional to 54,108.73, 81,163.05 and 35,506.45

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Solution

The fourth proportional to 54,108.73, 81,163.05 and 35,506.45 is: 53,259.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,108.73 : 81,163.05 = 35,506.45 : x
  2. Step 2: Convert to fraction form
    54,108.73/81,163.05 = 35,506.45/x
  3. Step 3: Cross multiply
    54,108.73x = 81,163.05 × 35,506.45
  4. Step 4: Simplify right side
    54,108.73x = 2,881,811,776.67
  5. Step 5: Solve for x
    x = 2,881,811,776.67/54,108.73
  6. Step 6: Final answer
    x = 53,259.65

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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.