Home / 76,012.98-104,864.94-43,740.69

Finding the Fourth Proportional to 76,012.98, 104,864.94 and 43,740.69

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Solution

The fourth proportional to 76,012.98, 104,864.94 and 43,740.69 is: 60,343.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,012.98 : 104,864.94 = 43,740.69 : x
  2. Step 2: Convert to fraction form
    76,012.98/104,864.94 = 43,740.69/x
  3. Step 3: Cross multiply
    76,012.98x = 104,864.94 × 43,740.69
  4. Step 4: Simplify right side
    76,012.98x = 4,586,864,832.41
  5. Step 5: Solve for x
    x = 4,586,864,832.41/76,012.98
  6. Step 6: Final answer
    x = 60,343.18

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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.