Home / 45,758.68-63,169.91-28,772.27

Finding the Fourth Proportional to 45,758.68, 63,169.91 and 28,772.27

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Solution

The fourth proportional to 45,758.68, 63,169.91 and 28,772.27 is: 39,720.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,758.68 : 63,169.91 = 28,772.27 : x
  2. Step 2: Convert to fraction form
    45,758.68/63,169.91 = 28,772.27/x
  3. Step 3: Cross multiply
    45,758.68x = 63,169.91 × 28,772.27
  4. Step 4: Simplify right side
    45,758.68x = 1,817,541,706.40
  5. Step 5: Solve for x
    x = 1,817,541,706.40/45,758.68
  6. Step 6: Final answer
    x = 39,720.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.