Home / 57,824.64-86,883.12-55,491.84

Finding the Fourth Proportional to 57,824.64, 86,883.12 and 55,491.84

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Solution

The fourth proportional to 57,824.64, 86,883.12 and 55,491.84 is: 83,378.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,824.64 : 86,883.12 = 55,491.84 : x
  2. Step 2: Convert to fraction form
    57,824.64/86,883.12 = 55,491.84/x
  3. Step 3: Cross multiply
    57,824.64x = 86,883.12 × 55,491.84
  4. Step 4: Simplify right side
    57,824.64x = 4,821,304,193.74
  5. Step 5: Solve for x
    x = 4,821,304,193.74/57,824.64
  6. Step 6: Final answer
    x = 83,378.02

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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.