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Finding the Fourth Proportional to 65,616.84, 98,333.76 and 49,593.22

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Solution

The fourth proportional to 65,616.84, 98,333.76 and 49,593.22 is: 74,320.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,616.84 : 98,333.76 = 49,593.22 : x
  2. Step 2: Convert to fraction form
    65,616.84/98,333.76 = 49,593.22/x
  3. Step 3: Cross multiply
    65,616.84x = 98,333.76 × 49,593.22
  4. Step 4: Simplify right side
    65,616.84x = 4,876,687,730.85
  5. Step 5: Solve for x
    x = 4,876,687,730.85/65,616.84
  6. Step 6: Final answer
    x = 74,320.67

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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.