Home / 56,233.46-84,322.37-18,780.68

Finding the Fourth Proportional to 56,233.46, 84,322.37 and 18,780.68

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Solution

The fourth proportional to 56,233.46, 84,322.37 and 18,780.68 is: 28,161.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,233.46 : 84,322.37 = 18,780.68 : x
  2. Step 2: Convert to fraction form
    56,233.46/84,322.37 = 18,780.68/x
  3. Step 3: Cross multiply
    56,233.46x = 84,322.37 × 18,780.68
  4. Step 4: Simplify right side
    56,233.46x = 1,583,630,932.30
  5. Step 5: Solve for x
    x = 1,583,630,932.30/56,233.46
  6. Step 6: Final answer
    x = 28,161.72

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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.