Home / 75,732.29-104,510.56-43,919.64

Finding the Fourth Proportional to 75,732.29, 104,510.56 and 43,919.64

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Solution

The fourth proportional to 75,732.29, 104,510.56 and 43,919.64 is: 60,609.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,732.29 : 104,510.56 = 43,919.64 : x
  2. Step 2: Convert to fraction form
    75,732.29/104,510.56 = 43,919.64/x
  3. Step 3: Cross multiply
    75,732.29x = 104,510.56 × 43,919.64
  4. Step 4: Simplify right side
    75,732.29x = 4,590,066,171.40
  5. Step 5: Solve for x
    x = 4,590,066,171.40/75,732.29
  6. Step 6: Final answer
    x = 60,609.10

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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.