Home / 74,600.24-102,915.96-42,761.84

Finding the Fourth Proportional to 74,600.24, 102,915.96 and 42,761.84

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Solution

The fourth proportional to 74,600.24, 102,915.96 and 42,761.84 is: 58,992.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,600.24 : 102,915.96 = 42,761.84 : x
  2. Step 2: Convert to fraction form
    74,600.24/102,915.96 = 42,761.84/x
  3. Step 3: Cross multiply
    74,600.24x = 102,915.96 × 42,761.84
  4. Step 4: Simplify right side
    74,600.24x = 4,400,875,814.97
  5. Step 5: Solve for x
    x = 4,400,875,814.97/74,600.24
  6. Step 6: Final answer
    x = 58,992.78

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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.