Home / 66,474.33-99,685.80-25,942.83

Finding the Fourth Proportional to 66,474.33, 99,685.80 and 25,942.83

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Solution

The fourth proportional to 66,474.33, 99,685.80 and 25,942.83 is: 38,904.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,474.33 : 99,685.80 = 25,942.83 : x
  2. Step 2: Convert to fraction form
    66,474.33/99,685.80 = 25,942.83/x
  3. Step 3: Cross multiply
    66,474.33x = 99,685.80 × 25,942.83
  4. Step 4: Simplify right side
    66,474.33x = 2,586,131,762.81
  5. Step 5: Solve for x
    x = 2,586,131,762.81/66,474.33
  6. Step 6: Final answer
    x = 38,904.22

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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.