Home / 52,049.93-78,126.73-28,687.37

Finding the Fourth Proportional to 52,049.93, 78,126.73 and 28,687.37

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Solution

The fourth proportional to 52,049.93, 78,126.73 and 28,687.37 is: 43,059.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,049.93 : 78,126.73 = 28,687.37 : x
  2. Step 2: Convert to fraction form
    52,049.93/78,126.73 = 28,687.37/x
  3. Step 3: Cross multiply
    52,049.93x = 78,126.73 × 28,687.37
  4. Step 4: Simplify right side
    52,049.93x = 2,241,249,948.05
  5. Step 5: Solve for x
    x = 2,241,249,948.05/52,049.93
  6. Step 6: Final answer
    x = 43,059.62

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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.