Home / 55,281.78-76,287.69-33,764.13

Finding the Fourth Proportional to 55,281.78, 76,287.69 and 33,764.13

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Solution

The fourth proportional to 55,281.78, 76,287.69 and 33,764.13 is: 46,593.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,281.78 : 76,287.69 = 33,764.13 : x
  2. Step 2: Convert to fraction form
    55,281.78/76,287.69 = 33,764.13/x
  3. Step 3: Cross multiply
    55,281.78x = 76,287.69 × 33,764.13
  4. Step 4: Simplify right side
    55,281.78x = 2,575,787,482.56
  5. Step 5: Solve for x
    x = 2,575,787,482.56/55,281.78
  6. Step 6: Final answer
    x = 46,593.79

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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.