Home / 50,965.46-70,329.93-28,305.90

Finding the Fourth Proportional to 50,965.46, 70,329.93 and 28,305.90

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Solution

The fourth proportional to 50,965.46, 70,329.93 and 28,305.90 is: 39,060.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,965.46 : 70,329.93 = 28,305.90 : x
  2. Step 2: Convert to fraction form
    50,965.46/70,329.93 = 28,305.90/x
  3. Step 3: Cross multiply
    50,965.46x = 70,329.93 × 28,305.90
  4. Step 4: Simplify right side
    50,965.46x = 1,990,751,965.59
  5. Step 5: Solve for x
    x = 1,990,751,965.59/50,965.46
  6. Step 6: Final answer
    x = 39,060.81

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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.