Home / 54,359.05-81,538.58-36,644.35

Finding the Fourth Proportional to 54,359.05, 81,538.58 and 36,644.35

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Solution

The fourth proportional to 54,359.05, 81,538.58 and 36,644.35 is: 54,966.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,359.05 : 81,538.58 = 36,644.35 : x
  2. Step 2: Convert to fraction form
    54,359.05/81,538.58 = 36,644.35/x
  3. Step 3: Cross multiply
    54,359.05x = 81,538.58 × 36,644.35
  4. Step 4: Simplify right side
    54,359.05x = 2,987,928,080.80
  5. Step 5: Solve for x
    x = 2,987,928,080.80/54,359.05
  6. Step 6: Final answer
    x = 54,966.53

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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.