Home / 75,778.45-104,574.05-43,965.97

Finding the Fourth Proportional to 75,778.45, 104,574.05 and 43,965.97

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Solution

The fourth proportional to 75,778.45, 104,574.05 and 43,965.97 is: 60,672.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,778.45 : 104,574.05 = 43,965.97 : x
  2. Step 2: Convert to fraction form
    75,778.45/104,574.05 = 43,965.97/x
  3. Step 3: Cross multiply
    75,778.45x = 104,574.05 × 43,965.97
  4. Step 4: Simplify right side
    75,778.45x = 4,597,699,325.25
  5. Step 5: Solve for x
    x = 4,597,699,325.25/75,778.45
  6. Step 6: Final answer
    x = 60,672.91

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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.