Home / 115,895.99-173,816.70-31,636.12

Finding the Fourth Proportional to 115,895.99, 173,816.70 and 31,636.12

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Solution

The fourth proportional to 115,895.99, 173,816.70 and 31,636.12 is: 47,446.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,895.99 : 173,816.70 = 31,636.12 : x
  2. Step 2: Convert to fraction form
    115,895.99/173,816.70 = 31,636.12/x
  3. Step 3: Cross multiply
    115,895.99x = 173,816.70 × 31,636.12
  4. Step 4: Simplify right side
    115,895.99x = 5,498,885,110.12
  5. Step 5: Solve for x
    x = 5,498,885,110.12/115,895.99
  6. Step 6: Final answer
    x = 47,446.73

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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.