Home / 45,182.32-67,725.96-21,759.28

Finding the Fourth Proportional to 45,182.32, 67,725.96 and 21,759.28

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Solution

The fourth proportional to 45,182.32, 67,725.96 and 21,759.28 is: 32,616.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,182.32 : 67,725.96 = 21,759.28 : x
  2. Step 2: Convert to fraction form
    45,182.32/67,725.96 = 21,759.28/x
  3. Step 3: Cross multiply
    45,182.32x = 67,725.96 × 21,759.28
  4. Step 4: Simplify right side
    45,182.32x = 1,473,668,126.91
  5. Step 5: Solve for x
    x = 1,473,668,126.91/45,182.32
  6. Step 6: Final answer
    x = 32,616.03

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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.