Home / 43,688.52-65,533.50-12,523.77

Finding the Fourth Proportional to 43,688.52, 65,533.50 and 12,523.77

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Solution

The fourth proportional to 43,688.52, 65,533.50 and 12,523.77 is: 18,785.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,688.52 : 65,533.50 = 12,523.77 : x
  2. Step 2: Convert to fraction form
    43,688.52/65,533.50 = 12,523.77/x
  3. Step 3: Cross multiply
    43,688.52x = 65,533.50 × 12,523.77
  4. Step 4: Simplify right side
    43,688.52x = 820,726,481.30
  5. Step 5: Solve for x
    x = 820,726,481.30/43,688.52
  6. Step 6: Final answer
    x = 18,785.86

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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.