Home / 100,879.29-151,114.41-46,767.96

Finding the Fourth Proportional to 100,879.29, 151,114.41 and 46,767.96

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Solution

The fourth proportional to 100,879.29, 151,114.41 and 46,767.96 is: 70,057.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,879.29 : 151,114.41 = 46,767.96 : x
  2. Step 2: Convert to fraction form
    100,879.29/151,114.41 = 46,767.96/x
  3. Step 3: Cross multiply
    100,879.29x = 151,114.41 × 46,767.96
  4. Step 4: Simplify right side
    100,879.29x = 7,067,312,682.30
  5. Step 5: Solve for x
    x = 7,067,312,682.30/100,879.29
  6. Step 6: Final answer
    x = 70,057.12

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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.