Home / 43,365.11-65,047.66-12,200.36

Finding the Fourth Proportional to 43,365.11, 65,047.66 and 12,200.36

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Solution

The fourth proportional to 43,365.11, 65,047.66 and 12,200.36 is: 18,300.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,365.11 : 65,047.66 = 12,200.36 : x
  2. Step 2: Convert to fraction form
    43,365.11/65,047.66 = 12,200.36/x
  3. Step 3: Cross multiply
    43,365.11x = 65,047.66 × 12,200.36
  4. Step 4: Simplify right side
    43,365.11x = 793,604,869.16
  5. Step 5: Solve for x
    x = 793,604,869.16/43,365.11
  6. Step 6: Final answer
    x = 18,300.54

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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.