Home / 55,667.20-76,821.36-31,797.04

Finding the Fourth Proportional to 55,667.20, 76,821.36 and 31,797.04

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Solution

The fourth proportional to 55,667.20, 76,821.36 and 31,797.04 is: 43,880.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,667.20 : 76,821.36 = 31,797.04 : x
  2. Step 2: Convert to fraction form
    55,667.20/76,821.36 = 31,797.04/x
  3. Step 3: Cross multiply
    55,667.20x = 76,821.36 × 31,797.04
  4. Step 4: Simplify right side
    55,667.20x = 2,442,691,856.77
  5. Step 5: Solve for x
    x = 2,442,691,856.77/55,667.20
  6. Step 6: Final answer
    x = 43,880.27

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1.5x scale

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.