Home / 52,787.76-72,847.20-28,914.48

Finding the Fourth Proportional to 52,787.76, 72,847.20 and 28,914.48

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Solution

The fourth proportional to 52,787.76, 72,847.20 and 28,914.48 is: 39,902.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,787.76 : 72,847.20 = 28,914.48 : x
  2. Step 2: Convert to fraction form
    52,787.76/72,847.20 = 28,914.48/x
  3. Step 3: Cross multiply
    52,787.76x = 72,847.20 × 28,914.48
  4. Step 4: Simplify right side
    52,787.76x = 2,106,338,907.46
  5. Step 5: Solve for x
    x = 2,106,338,907.46/52,787.76
  6. Step 6: Final answer
    x = 39,902.03

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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.