Home / 55,513.20-83,026.80-49,632.60

Finding the Fourth Proportional to 55,513.20, 83,026.80 and 49,632.60

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Solution

The fourth proportional to 55,513.20, 83,026.80 and 49,632.60 is: 74,231.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,513.20 : 83,026.80 = 49,632.60 : x
  2. Step 2: Convert to fraction form
    55,513.20/83,026.80 = 49,632.60/x
  3. Step 3: Cross multiply
    55,513.20x = 83,026.80 × 49,632.60
  4. Step 4: Simplify right side
    55,513.20x = 4,120,835,953.68
  5. Step 5: Solve for x
    x = 4,120,835,953.68/55,513.20
  6. Step 6: Final answer
    x = 74,231.64

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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.