Home / 55,917.95-77,195.35-43,142.42

Finding the Fourth Proportional to 55,917.95, 77,195.35 and 43,142.42

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Solution

The fourth proportional to 55,917.95, 77,195.35 and 43,142.42 is: 59,558.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,917.95 : 77,195.35 = 43,142.42 : x
  2. Step 2: Convert to fraction form
    55,917.95/77,195.35 = 43,142.42/x
  3. Step 3: Cross multiply
    55,917.95x = 77,195.35 × 43,142.42
  4. Step 4: Simplify right side
    55,917.95x = 3,330,394,580.00
  5. Step 5: Solve for x
    x = 3,330,394,580.00/55,917.95
  6. Step 6: Final answer
    x = 59,558.60

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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.