Home / 170,100.64-255,067.14-57,739.84

Finding the Fourth Proportional to 170,100.64, 255,067.14 and 57,739.84

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Solution

The fourth proportional to 170,100.64, 255,067.14 and 57,739.84 is: 86,581.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,100.64 : 255,067.14 = 57,739.84 : x
  2. Step 2: Convert to fraction form
    170,100.64/255,067.14 = 57,739.84/x
  3. Step 3: Cross multiply
    170,100.64x = 255,067.14 × 57,739.84
  4. Step 4: Simplify right side
    170,100.64x = 14,727,535,852.86
  5. Step 5: Solve for x
    x = 14,727,535,852.86/170,100.64
  6. Step 6: Final answer
    x = 86,581.31

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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.