Home / 52,149.33-78,223.86-36,636.21

Finding the Fourth Proportional to 52,149.33, 78,223.86 and 36,636.21

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Solution

The fourth proportional to 52,149.33, 78,223.86 and 36,636.21 is: 54,954.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,149.33 : 78,223.86 = 36,636.21 : x
  2. Step 2: Convert to fraction form
    52,149.33/78,223.86 = 36,636.21/x
  3. Step 3: Cross multiply
    52,149.33x = 78,223.86 × 36,636.21
  4. Step 4: Simplify right side
    52,149.33x = 2,865,825,761.97
  5. Step 5: Solve for x
    x = 2,865,825,761.97/52,149.33
  6. Step 6: Final answer
    x = 54,954.22

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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.