Home / 52,787.50-79,188.98-15,342.70

Finding the Fourth Proportional to 52,787.50, 79,188.98 and 15,342.70

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Solution

The fourth proportional to 52,787.50, 79,188.98 and 15,342.70 is: 23,016.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,787.50 : 79,188.98 = 15,342.70 : x
  2. Step 2: Convert to fraction form
    52,787.50/79,188.98 = 15,342.70/x
  3. Step 3: Cross multiply
    52,787.50x = 79,188.98 × 15,342.70
  4. Step 4: Simplify right side
    52,787.50x = 1,214,972,637.24
  5. Step 5: Solve for x
    x = 1,214,972,637.24/52,787.50
  6. Step 6: Final answer
    x = 23,016.30

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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.