Home / 56,801.88-85,176.74-19,346.72

Finding the Fourth Proportional to 56,801.88, 85,176.74 and 19,346.72

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Solution

The fourth proportional to 56,801.88, 85,176.74 and 19,346.72 is: 29,011.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,801.88 : 85,176.74 = 19,346.72 : x
  2. Step 2: Convert to fraction form
    56,801.88/85,176.74 = 19,346.72/x
  3. Step 3: Cross multiply
    56,801.88x = 85,176.74 × 19,346.72
  4. Step 4: Simplify right side
    56,801.88x = 1,647,890,016.68
  5. Step 5: Solve for x
    x = 1,647,890,016.68/56,801.88
  6. Step 6: Final answer
    x = 29,011.19

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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.