Home / 137,709.10-206,563.65-49,062.70

Finding the Fourth Proportional to 137,709.10, 206,563.65 and 49,062.70

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Solution

The fourth proportional to 137,709.10, 206,563.65 and 49,062.70 is: 73,594.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,709.10 : 206,563.65 = 49,062.70 : x
  2. Step 2: Convert to fraction form
    137,709.10/206,563.65 = 49,062.70/x
  3. Step 3: Cross multiply
    137,709.10x = 206,563.65 × 49,062.70
  4. Step 4: Simplify right side
    137,709.10x = 10,134,570,390.86
  5. Step 5: Solve for x
    x = 10,134,570,390.86/137,709.10
  6. Step 6: Final answer
    x = 73,594.05

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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.