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Finding the Fourth Proportional to 65,127.76, 89,881.13 and 36,450.29

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Solution

The fourth proportional to 65,127.76, 89,881.13 and 36,450.29 is: 50,304.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,127.76 : 89,881.13 = 36,450.29 : x
  2. Step 2: Convert to fraction form
    65,127.76/89,881.13 = 36,450.29/x
  3. Step 3: Cross multiply
    65,127.76x = 89,881.13 × 36,450.29
  4. Step 4: Simplify right side
    65,127.76x = 3,276,193,254.03
  5. Step 5: Solve for x
    x = 3,276,193,254.03/65,127.76
  6. Step 6: Final answer
    x = 50,304.10

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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.