Home / 50,964.96-70,329.24-28,305.40

Finding the Fourth Proportional to 50,964.96, 70,329.24 and 28,305.40

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Solution

The fourth proportional to 50,964.96, 70,329.24 and 28,305.40 is: 39,060.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,964.96 : 70,329.24 = 28,305.40 : x
  2. Step 2: Convert to fraction form
    50,964.96/70,329.24 = 28,305.40/x
  3. Step 3: Cross multiply
    50,964.96x = 70,329.24 × 28,305.40
  4. Step 4: Simplify right side
    50,964.96x = 1,990,697,269.90
  5. Step 5: Solve for x
    x = 1,990,697,269.90/50,964.96
  6. Step 6: Final answer
    x = 39,060.12

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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.