Home / 55,617.75-76,752.54-30,467.25

Finding the Fourth Proportional to 55,617.75, 76,752.54 and 30,467.25

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Solution

The fourth proportional to 55,617.75, 76,752.54 and 30,467.25 is: 42,044.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,617.75 : 76,752.54 = 30,467.25 : x
  2. Step 2: Convert to fraction form
    55,617.75/76,752.54 = 30,467.25/x
  3. Step 3: Cross multiply
    55,617.75x = 76,752.54 × 30,467.25
  4. Step 4: Simplify right side
    55,617.75x = 2,338,438,824.32
  5. Step 5: Solve for x
    x = 2,338,438,824.32/55,617.75
  6. Step 6: Final answer
    x = 42,044.83

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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.