Home / 54,783.32-82,221.60-21,526.64

Finding the Fourth Proportional to 54,783.32, 82,221.60 and 21,526.64

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Solution

The fourth proportional to 54,783.32, 82,221.60 and 21,526.64 is: 32,308.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,783.32 : 82,221.60 = 21,526.64 : x
  2. Step 2: Convert to fraction form
    54,783.32/82,221.60 = 21,526.64/x
  3. Step 3: Cross multiply
    54,783.32x = 82,221.60 × 21,526.64
  4. Step 4: Simplify right side
    54,783.32x = 1,769,954,783.42
  5. Step 5: Solve for x
    x = 1,769,954,783.42/54,783.32
  6. Step 6: Final answer
    x = 32,308.28

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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.