Home / 55,917.24-77,164.02-30,766.60

Finding the Fourth Proportional to 55,917.24, 77,164.02 and 30,766.60

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Solution

The fourth proportional to 55,917.24, 77,164.02 and 30,766.60 is: 42,456.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,917.24 : 77,164.02 = 30,766.60 : x
  2. Step 2: Convert to fraction form
    55,917.24/77,164.02 = 30,766.60/x
  3. Step 3: Cross multiply
    55,917.24x = 77,164.02 × 30,766.60
  4. Step 4: Simplify right side
    55,917.24x = 2,374,074,537.73
  5. Step 5: Solve for x
    x = 2,374,074,537.73/55,917.24
  6. Step 6: Final answer
    x = 42,456.93

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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.