Home / 54,479.98-75,175.50-31,813.66

Finding the Fourth Proportional to 54,479.98, 75,175.50 and 31,813.66

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Solution

The fourth proportional to 54,479.98, 75,175.50 and 31,813.66 is: 43,898.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,479.98 : 75,175.50 = 31,813.66 : x
  2. Step 2: Convert to fraction form
    54,479.98/75,175.50 = 31,813.66/x
  3. Step 3: Cross multiply
    54,479.98x = 75,175.50 × 31,813.66
  4. Step 4: Simplify right side
    54,479.98x = 2,391,607,797.33
  5. Step 5: Solve for x
    x = 2,391,607,797.33/54,479.98
  6. Step 6: Final answer
    x = 43,898.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.