Home / 115,709.40-173,589.48-49,206.42

Finding the Fourth Proportional to 115,709.40, 173,589.48 and 49,206.42

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Solution

The fourth proportional to 115,709.40, 173,589.48 and 49,206.42 is: 73,820.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,709.40 : 173,589.48 = 49,206.42 : x
  2. Step 2: Convert to fraction form
    115,709.40/173,589.48 = 49,206.42/x
  3. Step 3: Cross multiply
    115,709.40x = 173,589.48 × 49,206.42
  4. Step 4: Simplify right side
    115,709.40x = 8,541,716,860.46
  5. Step 5: Solve for x
    x = 8,541,716,860.46/115,709.40
  6. Step 6: Final answer
    x = 73,820.42

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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.