Home / 43,445.01-65,171.16-13,867.05

Finding the Fourth Proportional to 43,445.01, 65,171.16 and 13,867.05

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Solution

The fourth proportional to 43,445.01, 65,171.16 and 13,867.05 is: 20,801.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,445.01 : 65,171.16 = 13,867.05 : x
  2. Step 2: Convert to fraction form
    43,445.01/65,171.16 = 13,867.05/x
  3. Step 3: Cross multiply
    43,445.01x = 65,171.16 × 13,867.05
  4. Step 4: Simplify right side
    43,445.01x = 903,731,734.28
  5. Step 5: Solve for x
    x = 903,731,734.28/43,445.01
  6. Step 6: Final answer
    x = 20,801.74

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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.