Home / 87,356.40-120,551.76-51,546.48

Finding the Fourth Proportional to 87,356.40, 120,551.76 and 51,546.48

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Solution

The fourth proportional to 87,356.40, 120,551.76 and 51,546.48 is: 71,134.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,356.40 : 120,551.76 = 51,546.48 : x
  2. Step 2: Convert to fraction form
    87,356.40/120,551.76 = 51,546.48/x
  3. Step 3: Cross multiply
    87,356.40x = 120,551.76 × 51,546.48
  4. Step 4: Simplify right side
    87,356.40x = 6,214,018,885.80
  5. Step 5: Solve for x
    x = 6,214,018,885.80/87,356.40
  6. Step 6: Final answer
    x = 71,134.10

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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.