Home / 75,206.72-103,796.16-43,369.28

Finding the Fourth Proportional to 75,206.72, 103,796.16 and 43,369.28

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Solution

The fourth proportional to 75,206.72, 103,796.16 and 43,369.28 is: 59,855.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,206.72 : 103,796.16 = 43,369.28 : x
  2. Step 2: Convert to fraction form
    75,206.72/103,796.16 = 43,369.28/x
  3. Step 3: Cross multiply
    75,206.72x = 103,796.16 × 43,369.28
  4. Step 4: Simplify right side
    75,206.72x = 4,501,564,725.96
  5. Step 5: Solve for x
    x = 4,501,564,725.96/75,206.72
  6. Step 6: Final answer
    x = 59,855.88

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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.