Home / 75,730.29-104,507.80-43,917.64

Finding the Fourth Proportional to 75,730.29, 104,507.80 and 43,917.64

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Solution

The fourth proportional to 75,730.29, 104,507.80 and 43,917.64 is: 60,606.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,730.29 : 104,507.80 = 43,917.64 : x
  2. Step 2: Convert to fraction form
    75,730.29/104,507.80 = 43,917.64/x
  3. Step 3: Cross multiply
    75,730.29x = 104,507.80 × 43,917.64
  4. Step 4: Simplify right side
    75,730.29x = 4,589,735,937.59
  5. Step 5: Solve for x
    x = 4,589,735,937.59/75,730.29
  6. Step 6: Final answer
    x = 60,606.34

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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.