Home / 51,507.96-77,131.26-43,166.04

Finding the Fourth Proportional to 51,507.96, 77,131.26 and 43,166.04

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Solution

The fourth proportional to 51,507.96, 77,131.26 and 43,166.04 is: 64,639.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,507.96 : 77,131.26 = 43,166.04 : x
  2. Step 2: Convert to fraction form
    51,507.96/77,131.26 = 43,166.04/x
  3. Step 3: Cross multiply
    51,507.96x = 77,131.26 × 43,166.04
  4. Step 4: Simplify right side
    51,507.96x = 3,329,451,054.41
  5. Step 5: Solve for x
    x = 3,329,451,054.41/51,507.96
  6. Step 6: Final answer
    x = 64,639.54

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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.