Home / 50,921.16-70,269.30-28,563.72

Finding the Fourth Proportional to 50,921.16, 70,269.30 and 28,563.72

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Solution

The fourth proportional to 50,921.16, 70,269.30 and 28,563.72 is: 39,416.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,921.16 : 70,269.30 = 28,563.72 : x
  2. Step 2: Convert to fraction form
    50,921.16/70,269.30 = 28,563.72/x
  3. Step 3: Cross multiply
    50,921.16x = 70,269.30 × 28,563.72
  4. Step 4: Simplify right side
    50,921.16x = 2,007,152,609.80
  5. Step 5: Solve for x
    x = 2,007,152,609.80/50,921.16
  6. Step 6: Final answer
    x = 39,416.87

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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.