Home / 55,219.04-82,763.76-28,936.16

Finding the Fourth Proportional to 55,219.04, 82,763.76 and 28,936.16

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Solution

The fourth proportional to 55,219.04, 82,763.76 and 28,936.16 is: 43,370.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,219.04 : 82,763.76 = 28,936.16 : x
  2. Step 2: Convert to fraction form
    55,219.04/82,763.76 = 28,936.16/x
  3. Step 3: Cross multiply
    55,219.04x = 82,763.76 × 28,936.16
  4. Step 4: Simplify right side
    55,219.04x = 2,394,865,401.56
  5. Step 5: Solve for x
    x = 2,394,865,401.56/55,219.04
  6. Step 6: Final answer
    x = 43,370.28

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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.