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Finding the Fourth Proportional to 65,220.73, 97,653.22 and 49,377.83

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Solution

The fourth proportional to 65,220.73, 97,653.22 and 49,377.83 is: 73,932.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,220.73 : 97,653.22 = 49,377.83 : x
  2. Step 2: Convert to fraction form
    65,220.73/97,653.22 = 49,377.83/x
  3. Step 3: Cross multiply
    65,220.73x = 97,653.22 × 49,377.83
  4. Step 4: Simplify right side
    65,220.73x = 4,821,903,484.40
  5. Step 5: Solve for x
    x = 4,821,903,484.40/65,220.73
  6. Step 6: Final answer
    x = 73,932.07

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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.