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Finding the Fourth Proportional to 96,624.70, 144,865.05 and 49,911.10

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Solution

The fourth proportional to 96,624.70, 144,865.05 and 49,911.10 is: 74,829.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,624.70 : 144,865.05 = 49,911.10 : x
  2. Step 2: Convert to fraction form
    96,624.70/144,865.05 = 49,911.10/x
  3. Step 3: Cross multiply
    96,624.70x = 144,865.05 × 49,911.10
  4. Step 4: Simplify right side
    96,624.70x = 7,230,373,997.06
  5. Step 5: Solve for x
    x = 7,230,373,997.06/96,624.70
  6. Step 6: Final answer
    x = 74,829.46

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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.