Home / 52,455.40-78,683.62-41,991.94

Finding the Fourth Proportional to 52,455.40, 78,683.62 and 41,991.94

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Solution

The fourth proportional to 52,455.40, 78,683.62 and 41,991.94 is: 62,988.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,455.40 : 78,683.62 = 41,991.94 : x
  2. Step 2: Convert to fraction form
    52,455.40/78,683.62 = 41,991.94/x
  3. Step 3: Cross multiply
    52,455.40x = 78,683.62 × 41,991.94
  4. Step 4: Simplify right side
    52,455.40x = 3,304,077,850.02
  5. Step 5: Solve for x
    x = 3,304,077,850.02/52,455.40
  6. Step 6: Final answer
    x = 62,988.33

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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.