Home / 75,132.02-112,519.14-43,475.37

Finding the Fourth Proportional to 75,132.02, 112,519.14 and 43,475.37

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Solution

The fourth proportional to 75,132.02, 112,519.14 and 43,475.37 is: 65,109.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,132.02 : 112,519.14 = 43,475.37 : x
  2. Step 2: Convert to fraction form
    75,132.02/112,519.14 = 43,475.37/x
  3. Step 3: Cross multiply
    75,132.02x = 112,519.14 × 43,475.37
  4. Step 4: Simplify right side
    75,132.02x = 4,891,811,469.55
  5. Step 5: Solve for x
    x = 4,891,811,469.55/75,132.02
  6. Step 6: Final answer
    x = 65,109.54

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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.