Home / 55,629.18-76,784.79-48,155.82

Finding the Fourth Proportional to 55,629.18, 76,784.79 and 48,155.82

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Solution

The fourth proportional to 55,629.18, 76,784.79 and 48,155.82 is: 66,469.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,629.18 : 76,784.79 = 48,155.82 : x
  2. Step 2: Convert to fraction form
    55,629.18/76,784.79 = 48,155.82/x
  3. Step 3: Cross multiply
    55,629.18x = 76,784.79 × 48,155.82
  4. Step 4: Simplify right side
    55,629.18x = 3,697,634,525.98
  5. Step 5: Solve for x
    x = 3,697,634,525.98/55,629.18
  6. Step 6: Final answer
    x = 66,469.33

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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.