Home / 50,555.20-75,890.40-29,790.40

Finding the Fourth Proportional to 50,555.20, 75,890.40 and 29,790.40

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Solution

The fourth proportional to 50,555.20, 75,890.40 and 29,790.40 is: 44,719.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,555.20 : 75,890.40 = 29,790.40 : x
  2. Step 2: Convert to fraction form
    50,555.20/75,890.40 = 29,790.40/x
  3. Step 3: Cross multiply
    50,555.20x = 75,890.40 × 29,790.40
  4. Step 4: Simplify right side
    50,555.20x = 2,260,805,372.16
  5. Step 5: Solve for x
    x = 2,260,805,372.16/50,555.20
  6. Step 6: Final answer
    x = 44,719.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.