Home / 56,823.86-85,222.10-17,381.32

Finding the Fourth Proportional to 56,823.86, 85,222.10 and 17,381.32

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Solution

The fourth proportional to 56,823.86, 85,222.10 and 17,381.32 is: 26,067.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,823.86 : 85,222.10 = 17,381.32 : x
  2. Step 2: Convert to fraction form
    56,823.86/85,222.10 = 17,381.32/x
  3. Step 3: Cross multiply
    56,823.86x = 85,222.10 × 17,381.32
  4. Step 4: Simplify right side
    56,823.86x = 1,481,272,421.57
  5. Step 5: Solve for x
    x = 1,481,272,421.57/56,823.86
  6. Step 6: Final answer
    x = 26,067.79

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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.