Home / 56,834.39-85,263.89-21,774.05

Finding the Fourth Proportional to 56,834.39, 85,263.89 and 21,774.05

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Solution

The fourth proportional to 56,834.39, 85,263.89 and 21,774.05 is: 32,665.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,834.39 : 85,263.89 = 21,774.05 : x
  2. Step 2: Convert to fraction form
    56,834.39/85,263.89 = 21,774.05/x
  3. Step 3: Cross multiply
    56,834.39x = 85,263.89 × 21,774.05
  4. Step 4: Simplify right side
    56,834.39x = 1,856,539,668.86
  5. Step 5: Solve for x
    x = 1,856,539,668.86/56,834.39
  6. Step 6: Final answer
    x = 32,665.78

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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.