Home / 52,398.17-78,950.30-43,243.25

Finding the Fourth Proportional to 52,398.17, 78,950.30 and 43,243.25

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Solution

The fourth proportional to 52,398.17, 78,950.30 and 43,243.25 is: 65,156.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,398.17 : 78,950.30 = 43,243.25 : x
  2. Step 2: Convert to fraction form
    52,398.17/78,950.30 = 43,243.25/x
  3. Step 3: Cross multiply
    52,398.17x = 78,950.30 × 43,243.25
  4. Step 4: Simplify right side
    52,398.17x = 3,414,067,363.10
  5. Step 5: Solve for x
    x = 3,414,067,363.10/52,398.17
  6. Step 6: Final answer
    x = 65,156.23

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.