Home / 74,057.58-111,037.10-40,793.31

Finding the Fourth Proportional to 74,057.58, 111,037.10 and 40,793.31

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Solution

The fourth proportional to 74,057.58, 111,037.10 and 40,793.31 is: 61,162.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,057.58 : 111,037.10 = 40,793.31 : x
  2. Step 2: Convert to fraction form
    74,057.58/111,037.10 = 40,793.31/x
  3. Step 3: Cross multiply
    74,057.58x = 111,037.10 × 40,793.31
  4. Step 4: Simplify right side
    74,057.58x = 4,529,570,637.83
  5. Step 5: Solve for x
    x = 4,529,570,637.83/74,057.58
  6. Step 6: Final answer
    x = 61,162.82

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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.