Home / 74,454.78-102,771.54-47,669.43

Finding the Fourth Proportional to 74,454.78, 102,771.54 and 47,669.43

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Solution

The fourth proportional to 74,454.78, 102,771.54 and 47,669.43 is: 65,799.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,454.78 : 102,771.54 = 47,669.43 : x
  2. Step 2: Convert to fraction form
    74,454.78/102,771.54 = 47,669.43/x
  3. Step 3: Cross multiply
    74,454.78x = 102,771.54 × 47,669.43
  4. Step 4: Simplify right side
    74,454.78x = 4,899,060,732.02
  5. Step 5: Solve for x
    x = 4,899,060,732.02/74,454.78
  6. Step 6: Final answer
    x = 65,799.14

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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.