Home / 55,793.10-76,965.90-35,628.78

Finding the Fourth Proportional to 55,793.10, 76,965.90 and 35,628.78

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Solution

The fourth proportional to 55,793.10, 76,965.90 and 35,628.78 is: 49,149.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,793.10 : 76,965.90 = 35,628.78 : x
  2. Step 2: Convert to fraction form
    55,793.10/76,965.90 = 35,628.78/x
  3. Step 3: Cross multiply
    55,793.10x = 76,965.90 × 35,628.78
  4. Step 4: Simplify right side
    55,793.10x = 2,742,201,118.60
  5. Step 5: Solve for x
    x = 2,742,201,118.60/55,793.10
  6. Step 6: Final answer
    x = 49,149.47

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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.