Home / 52,050.43-78,127.48-28,687.87

Finding the Fourth Proportional to 52,050.43, 78,127.48 and 28,687.87

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Solution

The fourth proportional to 52,050.43, 78,127.48 and 28,687.87 is: 43,060.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,050.43 : 78,127.48 = 28,687.87 : x
  2. Step 2: Convert to fraction form
    52,050.43/78,127.48 = 28,687.87/x
  3. Step 3: Cross multiply
    52,050.43x = 78,127.48 × 28,687.87
  4. Step 4: Simplify right side
    52,050.43x = 2,241,310,599.03
  5. Step 5: Solve for x
    x = 2,241,310,599.03/52,050.43
  6. Step 6: Final answer
    x = 43,060.37

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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.