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Finding the Fourth Proportional to 65,344.88, 90,186 and 37,044.56

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Solution

The fourth proportional to 65,344.88, 90,186 and 37,044.56 is: 51,127.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,344.88 : 90,186 = 37,044.56 : x
  2. Step 2: Convert to fraction form
    65,344.88/90,186 = 37,044.56/x
  3. Step 3: Cross multiply
    65,344.88x = 90,186 × 37,044.56
  4. Step 4: Simplify right side
    65,344.88x = 3,340,900,688.16
  5. Step 5: Solve for x
    x = 3,340,900,688.16/65,344.88
  6. Step 6: Final answer
    x = 51,127.20

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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.