Home / 115,617.58-173,429.88-31,377.44

Finding the Fourth Proportional to 115,617.58, 173,429.88 and 31,377.44

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Solution

The fourth proportional to 115,617.58, 173,429.88 and 31,377.44 is: 47,067.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,617.58 : 173,429.88 = 31,377.44 : x
  2. Step 2: Convert to fraction form
    115,617.58/173,429.88 = 31,377.44/x
  3. Step 3: Cross multiply
    115,617.58x = 173,429.88 × 31,377.44
  4. Step 4: Simplify right side
    115,617.58x = 5,441,785,969.82
  5. Step 5: Solve for x
    x = 5,441,785,969.82/115,617.58
  6. Step 6: Final answer
    x = 47,067.12

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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.