Home / 76,824.80-115,334.40-41,314.40

Finding the Fourth Proportional to 76,824.80, 115,334.40 and 41,314.40

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Solution

The fourth proportional to 76,824.80, 115,334.40 and 41,314.40 is: 62,023.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,824.80 : 115,334.40 = 41,314.40 : x
  2. Step 2: Convert to fraction form
    76,824.80/115,334.40 = 41,314.40/x
  3. Step 3: Cross multiply
    76,824.80x = 115,334.40 × 41,314.40
  4. Step 4: Simplify right side
    76,824.80x = 4,764,971,535.36
  5. Step 5: Solve for x
    x = 4,764,971,535.36/76,824.80
  6. Step 6: Final answer
    x = 62,023.87

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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.