Home / 43,415.93-65,123.17-13,833.36

Finding the Fourth Proportional to 43,415.93, 65,123.17 and 13,833.36

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Solution

The fourth proportional to 43,415.93, 65,123.17 and 13,833.36 is: 20,749.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,415.93 : 65,123.17 = 13,833.36 : x
  2. Step 2: Convert to fraction form
    43,415.93/65,123.17 = 13,833.36/x
  3. Step 3: Cross multiply
    43,415.93x = 65,123.17 × 13,833.36
  4. Step 4: Simplify right side
    43,415.93x = 900,872,220.37
  5. Step 5: Solve for x
    x = 900,872,220.37/43,415.93
  6. Step 6: Final answer
    x = 20,749.81

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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.