Home / 45,738.90-68,537.50-31,726.17

Finding the Fourth Proportional to 45,738.90, 68,537.50 and 31,726.17

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Solution

The fourth proportional to 45,738.90, 68,537.50 and 31,726.17 is: 47,540.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,738.90 : 68,537.50 = 31,726.17 : x
  2. Step 2: Convert to fraction form
    45,738.90/68,537.50 = 31,726.17/x
  3. Step 3: Cross multiply
    45,738.90x = 68,537.50 × 31,726.17
  4. Step 4: Simplify right side
    45,738.90x = 2,174,432,569.23
  5. Step 5: Solve for x
    x = 2,174,432,569.23/45,738.90
  6. Step 6: Final answer
    x = 47,540.11

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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.