Home / 75,196.56-103,628.40-53,939.04

Finding the Fourth Proportional to 75,196.56, 103,628.40 and 53,939.04

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Solution

The fourth proportional to 75,196.56, 103,628.40 and 53,939.04 is: 74,333.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,196.56 : 103,628.40 = 53,939.04 : x
  2. Step 2: Convert to fraction form
    75,196.56/103,628.40 = 53,939.04/x
  3. Step 3: Cross multiply
    75,196.56x = 103,628.40 × 53,939.04
  4. Step 4: Simplify right side
    75,196.56x = 5,589,616,412.74
  5. Step 5: Solve for x
    x = 5,589,616,412.74/75,196.56
  6. Step 6: Final answer
    x = 74,333.41

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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.