Home / 55,918.95-77,196.73-43,143.42

Finding the Fourth Proportional to 55,918.95, 77,196.73 and 43,143.42

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Solution

The fourth proportional to 55,918.95, 77,196.73 and 43,143.42 is: 59,559.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,918.95 : 77,196.73 = 43,143.42 : x
  2. Step 2: Convert to fraction form
    55,918.95/77,196.73 = 43,143.42/x
  3. Step 3: Cross multiply
    55,918.95x = 77,196.73 × 43,143.42
  4. Step 4: Simplify right side
    55,918.95x = 3,330,530,945.02
  5. Step 5: Solve for x
    x = 3,330,530,945.02/55,918.95
  6. Step 6: Final answer
    x = 59,559.97

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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.