Home / 55,176.75-82,765.40-13,623.75

Finding the Fourth Proportional to 55,176.75, 82,765.40 and 13,623.75

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Solution

The fourth proportional to 55,176.75, 82,765.40 and 13,623.75 is: 20,435.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,176.75 : 82,765.40 = 13,623.75 : x
  2. Step 2: Convert to fraction form
    55,176.75/82,765.40 = 13,623.75/x
  3. Step 3: Cross multiply
    55,176.75x = 82,765.40 × 13,623.75
  4. Step 4: Simplify right side
    55,176.75x = 1,127,575,050.13
  5. Step 5: Solve for x
    x = 1,127,575,050.13/55,176.75
  6. Step 6: Final answer
    x = 20,435.69

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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.