Home / 55,829.07-83,742.23-13,708.80

Finding the Fourth Proportional to 55,829.07, 83,742.23 and 13,708.80

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Solution

The fourth proportional to 55,829.07, 83,742.23 and 13,708.80 is: 20,562.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,829.07 : 83,742.23 = 13,708.80 : x
  2. Step 2: Convert to fraction form
    55,829.07/83,742.23 = 13,708.80/x
  3. Step 3: Cross multiply
    55,829.07x = 83,742.23 × 13,708.80
  4. Step 4: Simplify right side
    55,829.07x = 1,148,005,623.44
  5. Step 5: Solve for x
    x = 1,148,005,623.44/55,829.07
  6. Step 6: Final answer
    x = 20,562.86

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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.