Home / 43,335.56-65,005.76-12,168.38

Finding the Fourth Proportional to 43,335.56, 65,005.76 and 12,168.38

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Solution

The fourth proportional to 43,335.56, 65,005.76 and 12,168.38 is: 18,253.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,335.56 : 65,005.76 = 12,168.38 : x
  2. Step 2: Convert to fraction form
    43,335.56/65,005.76 = 12,168.38/x
  3. Step 3: Cross multiply
    43,335.56x = 65,005.76 × 12,168.38
  4. Step 4: Simplify right side
    43,335.56x = 791,014,495.26
  5. Step 5: Solve for x
    x = 791,014,495.26/43,335.56
  6. Step 6: Final answer
    x = 18,253.24

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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.