Home / 111,976.24-168,005.28-52,032.40

Finding the Fourth Proportional to 111,976.24, 168,005.28 and 52,032.40

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Solution

The fourth proportional to 111,976.24, 168,005.28 and 52,032.40 is: 78,067.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,976.24 : 168,005.28 = 52,032.40 : x
  2. Step 2: Convert to fraction form
    111,976.24/168,005.28 = 52,032.40/x
  3. Step 3: Cross multiply
    111,976.24x = 168,005.28 × 52,032.40
  4. Step 4: Simplify right side
    111,976.24x = 8,741,717,931.07
  5. Step 5: Solve for x
    x = 8,741,717,931.07/111,976.24
  6. Step 6: Final answer
    x = 78,067.61

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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.