Home / 54,521.56-81,767.22-15,075.64

Finding the Fourth Proportional to 54,521.56, 81,767.22 and 15,075.64

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Solution

The fourth proportional to 54,521.56, 81,767.22 and 15,075.64 is: 22,609.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,521.56 : 81,767.22 = 15,075.64 : x
  2. Step 2: Convert to fraction form
    54,521.56/81,767.22 = 15,075.64/x
  3. Step 3: Cross multiply
    54,521.56x = 81,767.22 × 15,075.64
  4. Step 4: Simplify right side
    54,521.56x = 1,232,693,172.52
  5. Step 5: Solve for x
    x = 1,232,693,172.52/54,521.56
  6. Step 6: Final answer
    x = 22,609.28

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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.