Home / 73,143.31-109,649.28-26,385.25

Finding the Fourth Proportional to 73,143.31, 109,649.28 and 26,385.25

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Solution

The fourth proportional to 73,143.31, 109,649.28 and 26,385.25 is: 39,554.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,143.31 : 109,649.28 = 26,385.25 : x
  2. Step 2: Convert to fraction form
    73,143.31/109,649.28 = 26,385.25/x
  3. Step 3: Cross multiply
    73,143.31x = 109,649.28 × 26,385.25
  4. Step 4: Simplify right side
    73,143.31x = 2,893,123,665.12
  5. Step 5: Solve for x
    x = 2,893,123,665.12/73,143.31
  6. Step 6: Final answer
    x = 39,554.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.