Home / 43,631.28-65,363.40-35,776.56

Finding the Fourth Proportional to 43,631.28, 65,363.40 and 35,776.56

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Solution

The fourth proportional to 43,631.28, 65,363.40 and 35,776.56 is: 53,596.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,631.28 : 65,363.40 = 35,776.56 : x
  2. Step 2: Convert to fraction form
    43,631.28/65,363.40 = 35,776.56/x
  3. Step 3: Cross multiply
    43,631.28x = 65,363.40 × 35,776.56
  4. Step 4: Simplify right side
    43,631.28x = 2,338,477,601.90
  5. Step 5: Solve for x
    x = 2,338,477,601.90/43,631.28
  6. Step 6: Final answer
    x = 53,596.36

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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.