Home / 55,661.20-83,491.80-36,634.30

Finding the Fourth Proportional to 55,661.20, 83,491.80 and 36,634.30

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Solution

The fourth proportional to 55,661.20, 83,491.80 and 36,634.30 is: 54,951.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,661.20 : 83,491.80 = 36,634.30 : x
  2. Step 2: Convert to fraction form
    55,661.20/83,491.80 = 36,634.30/x
  3. Step 3: Cross multiply
    55,661.20x = 83,491.80 × 36,634.30
  4. Step 4: Simplify right side
    55,661.20x = 3,058,663,648.74
  5. Step 5: Solve for x
    x = 3,058,663,648.74/55,661.20
  6. Step 6: Final answer
    x = 54,951.45

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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.