Home / 54,220.06-81,333.89-16,775.20

Finding the Fourth Proportional to 54,220.06, 81,333.89 and 16,775.20

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Solution

The fourth proportional to 54,220.06, 81,333.89 and 16,775.20 is: 25,163.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,220.06 : 81,333.89 = 16,775.20 : x
  2. Step 2: Convert to fraction form
    54,220.06/81,333.89 = 16,775.20/x
  3. Step 3: Cross multiply
    54,220.06x = 81,333.89 × 16,775.20
  4. Step 4: Simplify right side
    54,220.06x = 1,364,392,271.53
  5. Step 5: Solve for x
    x = 1,364,392,271.53/54,220.06
  6. Step 6: Final answer
    x = 25,163.98

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1.5x scale

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.