Home / 74,586.14-102,942.69-42,755.30

Finding the Fourth Proportional to 74,586.14, 102,942.69 and 42,755.30

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Solution

The fourth proportional to 74,586.14, 102,942.69 and 42,755.30 is: 59,010.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,586.14 : 102,942.69 = 42,755.30 : x
  2. Step 2: Convert to fraction form
    74,586.14/102,942.69 = 42,755.30/x
  3. Step 3: Cross multiply
    74,586.14x = 102,942.69 × 42,755.30
  4. Step 4: Simplify right side
    74,586.14x = 4,401,345,593.76
  5. Step 5: Solve for x
    x = 4,401,345,593.76/74,586.14
  6. Step 6: Final answer
    x = 59,010.23

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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.