Home / 75,530.88-113,334.48-53,485.92

Finding the Fourth Proportional to 75,530.88, 113,334.48 and 53,485.92

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Solution

The fourth proportional to 75,530.88, 113,334.48 and 53,485.92 is: 80,255.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,530.88 : 113,334.48 = 53,485.92 : x
  2. Step 2: Convert to fraction form
    75,530.88/113,334.48 = 53,485.92/x
  3. Step 3: Cross multiply
    75,530.88x = 113,334.48 × 53,485.92
  4. Step 4: Simplify right side
    75,530.88x = 6,061,798,930.52
  5. Step 5: Solve for x
    x = 6,061,798,930.52/75,530.88
  6. Step 6: Final answer
    x = 80,255.90

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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.