Home / 124,554.88-186,727.92-54,380.80

Finding the Fourth Proportional to 124,554.88, 186,727.92 and 54,380.80

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Solution

The fourth proportional to 124,554.88, 186,727.92 and 54,380.80 is: 81,525.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,554.88 : 186,727.92 = 54,380.80 : x
  2. Step 2: Convert to fraction form
    124,554.88/186,727.92 = 54,380.80/x
  3. Step 3: Cross multiply
    124,554.88x = 186,727.92 × 54,380.80
  4. Step 4: Simplify right side
    124,554.88x = 10,154,413,671.94
  5. Step 5: Solve for x
    x = 10,154,413,671.94/124,554.88
  6. Step 6: Final answer
    x = 81,525.62

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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.