Home / 55,582.39-83,418.54-43,072.75

Finding the Fourth Proportional to 55,582.39, 83,418.54 and 43,072.75

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Solution

The fourth proportional to 55,582.39, 83,418.54 and 43,072.75 is: 64,643.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,582.39 : 83,418.54 = 43,072.75 : x
  2. Step 2: Convert to fraction form
    55,582.39/83,418.54 = 43,072.75/x
  3. Step 3: Cross multiply
    55,582.39x = 83,418.54 × 43,072.75
  4. Step 4: Simplify right side
    55,582.39x = 3,593,065,918.79
  5. Step 5: Solve for x
    x = 3,593,065,918.79/55,582.39
  6. Step 6: Final answer
    x = 64,643.96

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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.