Home / 54,448.65-75,136.82-31,788.90

Finding the Fourth Proportional to 54,448.65, 75,136.82 and 31,788.90

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Solution

The fourth proportional to 54,448.65, 75,136.82 and 31,788.90 is: 43,867.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,448.65 : 75,136.82 = 31,788.90 : x
  2. Step 2: Convert to fraction form
    54,448.65/75,136.82 = 31,788.90/x
  3. Step 3: Cross multiply
    54,448.65x = 75,136.82 × 31,788.90
  4. Step 4: Simplify right side
    54,448.65x = 2,388,516,698.35
  5. Step 5: Solve for x
    x = 2,388,516,698.35/54,448.65
  6. Step 6: Final answer
    x = 43,867.33

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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.