Home / 55,772.75-83,660.20-13,653.19

Finding the Fourth Proportional to 55,772.75, 83,660.20 and 13,653.19

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Solution

The fourth proportional to 55,772.75, 83,660.20 and 13,653.19 is: 20,480.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,772.75 : 83,660.20 = 13,653.19 : x
  2. Step 2: Convert to fraction form
    55,772.75/83,660.20 = 13,653.19/x
  3. Step 3: Cross multiply
    55,772.75x = 83,660.20 × 13,653.19
  4. Step 4: Simplify right side
    55,772.75x = 1,142,228,606.04
  5. Step 5: Solve for x
    x = 1,142,228,606.04/55,772.75
  6. Step 6: Final answer
    x = 20,480.05

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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.