Home / 76,824.48-115,240.37-37,334.55

Finding the Fourth Proportional to 76,824.48, 115,240.37 and 37,334.55

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Solution

The fourth proportional to 76,824.48, 115,240.37 and 37,334.55 is: 56,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,824.48 : 115,240.37 = 37,334.55 : x
  2. Step 2: Convert to fraction form
    76,824.48/115,240.37 = 37,334.55/x
  3. Step 3: Cross multiply
    76,824.48x = 115,240.37 × 37,334.55
  4. Step 4: Simplify right side
    76,824.48x = 4,302,447,169.11
  5. Step 5: Solve for x
    x = 4,302,447,169.11/76,824.48
  6. Step 6: Final answer
    x = 56,003.60

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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.