Home / 54,703.08-82,059.48-21,425.58

Finding the Fourth Proportional to 54,703.08, 82,059.48 and 21,425.58

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Solution

The fourth proportional to 54,703.08, 82,059.48 and 21,425.58 is: 32,140.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,703.08 : 82,059.48 = 21,425.58 : x
  2. Step 2: Convert to fraction form
    54,703.08/82,059.48 = 21,425.58/x
  3. Step 3: Cross multiply
    54,703.08x = 82,059.48 × 21,425.58
  4. Step 4: Simplify right side
    54,703.08x = 1,758,171,953.50
  5. Step 5: Solve for x
    x = 1,758,171,953.50/54,703.08
  6. Step 6: Final answer
    x = 32,140.27

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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.