Home / 56,964.72-85,456.34-17,521.87

Finding the Fourth Proportional to 56,964.72, 85,456.34 and 17,521.87

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Solution

The fourth proportional to 56,964.72, 85,456.34 and 17,521.87 is: 26,285.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,964.72 : 85,456.34 = 17,521.87 : x
  2. Step 2: Convert to fraction form
    56,964.72/85,456.34 = 17,521.87/x
  3. Step 3: Cross multiply
    56,964.72x = 85,456.34 × 17,521.87
  4. Step 4: Simplify right side
    56,964.72x = 1,497,354,854.12
  5. Step 5: Solve for x
    x = 1,497,354,854.12/56,964.72
  6. Step 6: Final answer
    x = 26,285.65

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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.