Home / 43,056.55-64,575.60-13,470.54

Finding the Fourth Proportional to 43,056.55, 64,575.60 and 13,470.54

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Solution

The fourth proportional to 43,056.55, 64,575.60 and 13,470.54 is: 20,202.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,056.55 : 64,575.60 = 13,470.54 : x
  2. Step 2: Convert to fraction form
    43,056.55/64,575.60 = 13,470.54/x
  3. Step 3: Cross multiply
    43,056.55x = 64,575.60 × 13,470.54
  4. Step 4: Simplify right side
    43,056.55x = 869,867,910.15
  5. Step 5: Solve for x
    x = 869,867,910.15/43,056.55
  6. Step 6: Final answer
    x = 20,202.92

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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.