Home / 55,986.39-83,970.92-30,698.36

Finding the Fourth Proportional to 55,986.39, 83,970.92 and 30,698.36

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Solution

The fourth proportional to 55,986.39, 83,970.92 and 30,698.36 is: 46,042.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,986.39 : 83,970.92 = 30,698.36 : x
  2. Step 2: Convert to fraction form
    55,986.39/83,970.92 = 30,698.36/x
  3. Step 3: Cross multiply
    55,986.39x = 83,970.92 × 30,698.36
  4. Step 4: Simplify right side
    55,986.39x = 2,577,768,958.34
  5. Step 5: Solve for x
    x = 2,577,768,958.34/55,986.39
  6. Step 6: Final answer
    x = 46,042.78

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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.