Home / 79,450.56-119,145.55-23,278.68

Finding the Fourth Proportional to 79,450.56, 119,145.55 and 23,278.68

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Solution

The fourth proportional to 79,450.56, 119,145.55 and 23,278.68 is: 34,909.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,450.56 : 119,145.55 = 23,278.68 : x
  2. Step 2: Convert to fraction form
    79,450.56/119,145.55 = 23,278.68/x
  3. Step 3: Cross multiply
    79,450.56x = 119,145.55 × 23,278.68
  4. Step 4: Simplify right side
    79,450.56x = 2,773,551,131.87
  5. Step 5: Solve for x
    x = 2,773,551,131.87/79,450.56
  6. Step 6: Final answer
    x = 34,909.15

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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.