Home / 75,458.76-104,126.97-43,629.72

Finding the Fourth Proportional to 75,458.76, 104,126.97 and 43,629.72

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Solution

The fourth proportional to 75,458.76, 104,126.97 and 43,629.72 is: 60,205.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,458.76 : 104,126.97 = 43,629.72 : x
  2. Step 2: Convert to fraction form
    75,458.76/104,126.97 = 43,629.72/x
  3. Step 3: Cross multiply
    75,458.76x = 104,126.97 × 43,629.72
  4. Step 4: Simplify right side
    75,458.76x = 4,543,030,545.55
  5. Step 5: Solve for x
    x = 4,543,030,545.55/75,458.76
  6. Step 6: Final answer
    x = 60,205.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.