Home / 74,550.72-102,793.80-59,431.56

Finding the Fourth Proportional to 74,550.72, 102,793.80 and 59,431.56

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Solution

The fourth proportional to 74,550.72, 102,793.80 and 59,431.56 is: 81,946.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,550.72 : 102,793.80 = 59,431.56 : x
  2. Step 2: Convert to fraction form
    74,550.72/102,793.80 = 59,431.56/x
  3. Step 3: Cross multiply
    74,550.72x = 102,793.80 × 59,431.56
  4. Step 4: Simplify right side
    74,550.72x = 6,109,195,892.33
  5. Step 5: Solve for x
    x = 6,109,195,892.33/74,550.72
  6. Step 6: Final answer
    x = 81,946.84

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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.