Home / 72,382.38-108,588.09-24,999.21

Finding the Fourth Proportional to 72,382.38, 108,588.09 and 24,999.21

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Solution

The fourth proportional to 72,382.38, 108,588.09 and 24,999.21 is: 37,503.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,382.38 : 108,588.09 = 24,999.21 : x
  2. Step 2: Convert to fraction form
    72,382.38/108,588.09 = 24,999.21/x
  3. Step 3: Cross multiply
    72,382.38x = 108,588.09 × 24,999.21
  4. Step 4: Simplify right side
    72,382.38x = 2,714,616,643.13
  5. Step 5: Solve for x
    x = 2,714,616,643.13/72,382.38
  6. Step 6: Final answer
    x = 37,503.83

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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.