Home / 115,616.09-173,435.68-31,377.61

Finding the Fourth Proportional to 115,616.09, 173,435.68 and 31,377.61

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Solution

The fourth proportional to 115,616.09, 173,435.68 and 31,377.61 is: 47,069.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,616.09 : 173,435.68 = 31,377.61 : x
  2. Step 2: Convert to fraction form
    115,616.09/173,435.68 = 31,377.61/x
  3. Step 3: Cross multiply
    115,616.09x = 173,435.68 × 31,377.61
  4. Step 4: Simplify right side
    115,616.09x = 5,441,997,383.14
  5. Step 5: Solve for x
    x = 5,441,997,383.14/115,616.09
  6. Step 6: Final answer
    x = 47,069.55

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1.5x scale

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.