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Finding the Fourth Proportional to 84,744, 127,116 and 29,340

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Solution

The fourth proportional to 84,744, 127,116 and 29,340 is: 44,010

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,744 : 127,116 = 29,340 : x
  2. Step 2: Convert to fraction form
    84,744/127,116 = 29,340/x
  3. Step 3: Cross multiply
    84,744x = 127,116 × 29,340
  4. Step 4: Simplify right side
    84,744x = 3,729,583,440
  5. Step 5: Solve for x
    x = 3,729,583,440/84,744
  6. Step 6: Final answer
    x = 44,010

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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.