Home / 55,708.20-83,319.30-49,827.60

Finding the Fourth Proportional to 55,708.20, 83,319.30 and 49,827.60

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Solution

The fourth proportional to 55,708.20, 83,319.30 and 49,827.60 is: 74,524.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,708.20 : 83,319.30 = 49,827.60 : x
  2. Step 2: Convert to fraction form
    55,708.20/83,319.30 = 49,827.60/x
  3. Step 3: Cross multiply
    55,708.20x = 83,319.30 × 49,827.60
  4. Step 4: Simplify right side
    55,708.20x = 4,151,600,752.68
  5. Step 5: Solve for x
    x = 4,151,600,752.68/55,708.20
  6. Step 6: Final answer
    x = 74,524.05

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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.