Home / 65,262.61-89,983.60-55,173.25

Finding the Fourth Proportional to 65,262.61, 89,983.60 and 55,173.25

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Solution

The fourth proportional to 65,262.61, 89,983.60 and 55,173.25 is: 76,072.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,262.61 : 89,983.60 = 55,173.25 : x
  2. Step 2: Convert to fraction form
    65,262.61/89,983.60 = 55,173.25/x
  3. Step 3: Cross multiply
    65,262.61x = 89,983.60 × 55,173.25
  4. Step 4: Simplify right side
    65,262.61x = 4,964,687,658.70
  5. Step 5: Solve for x
    x = 4,964,687,658.70/65,262.61
  6. Step 6: Final answer
    x = 76,072.47

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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.