Home / 75,695.68-104,455-45,463.04

Finding the Fourth Proportional to 75,695.68, 104,455 and 45,463.04

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Solution

The fourth proportional to 75,695.68, 104,455 and 45,463.04 is: 62,735.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,695.68 : 104,455 = 45,463.04 : x
  2. Step 2: Convert to fraction form
    75,695.68/104,455 = 45,463.04/x
  3. Step 3: Cross multiply
    75,695.68x = 104,455 × 45,463.04
  4. Step 4: Simplify right side
    75,695.68x = 4,748,841,843.20
  5. Step 5: Solve for x
    x = 4,748,841,843.20/75,695.68
  6. Step 6: Final answer
    x = 62,735.97

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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.