Home / 114,862.32-172,279.77-30,628.80

Finding the Fourth Proportional to 114,862.32, 172,279.77 and 30,628.80

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Solution

The fourth proportional to 114,862.32, 172,279.77 and 30,628.80 is: 45,939.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,862.32 : 172,279.77 = 30,628.80 : x
  2. Step 2: Convert to fraction form
    114,862.32/172,279.77 = 30,628.80/x
  3. Step 3: Cross multiply
    114,862.32x = 172,279.77 × 30,628.80
  4. Step 4: Simplify right side
    114,862.32x = 5,276,722,619.38
  5. Step 5: Solve for x
    x = 5,276,722,619.38/114,862.32
  6. Step 6: Final answer
    x = 45,939.54

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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.