Home / 75,619.35-104,348.61-43,790.31

Finding the Fourth Proportional to 75,619.35, 104,348.61 and 43,790.31

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Solution

The fourth proportional to 75,619.35, 104,348.61 and 43,790.31 is: 60,427.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,619.35 : 104,348.61 = 43,790.31 : x
  2. Step 2: Convert to fraction form
    75,619.35/104,348.61 = 43,790.31/x
  3. Step 3: Cross multiply
    75,619.35x = 104,348.61 × 43,790.31
  4. Step 4: Simplify right side
    75,619.35x = 4,569,457,979.97
  5. Step 5: Solve for x
    x = 4,569,457,979.97/75,619.35
  6. Step 6: Final answer
    x = 60,427.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.