Home / 168,048.12-252,114.66-49,719

Finding the Fourth Proportional to 168,048.12, 252,114.66 and 49,719

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Solution

The fourth proportional to 168,048.12, 252,114.66 and 49,719 is: 74,591.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,048.12 : 252,114.66 = 49,719 : x
  2. Step 2: Convert to fraction form
    168,048.12/252,114.66 = 49,719/x
  3. Step 3: Cross multiply
    168,048.12x = 252,114.66 × 49,719
  4. Step 4: Simplify right side
    168,048.12x = 12,534,888,780.54
  5. Step 5: Solve for x
    x = 12,534,888,780.54/168,048.12
  6. Step 6: Final answer
    x = 74,591.07

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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.