Home / 105,863.36-158,790.64-26,979.52

Finding the Fourth Proportional to 105,863.36, 158,790.64 and 26,979.52

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Solution

The fourth proportional to 105,863.36, 158,790.64 and 26,979.52 is: 40,468.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,863.36 : 158,790.64 = 26,979.52 : x
  2. Step 2: Convert to fraction form
    105,863.36/158,790.64 = 26,979.52/x
  3. Step 3: Cross multiply
    105,863.36x = 158,790.64 × 26,979.52
  4. Step 4: Simplify right side
    105,863.36x = 4,284,095,247.69
  5. Step 5: Solve for x
    x = 4,284,095,247.69/105,863.36
  6. Step 6: Final answer
    x = 40,468.16

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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.