Home / 49,787.52-74,683.20-12,852.48

Finding the Fourth Proportional to 49,787.52, 74,683.20 and 12,852.48

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Solution

The fourth proportional to 49,787.52, 74,683.20 and 12,852.48 is: 19,279.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,787.52 : 74,683.20 = 12,852.48 : x
  2. Step 2: Convert to fraction form
    49,787.52/74,683.20 = 12,852.48/x
  3. Step 3: Cross multiply
    49,787.52x = 74,683.20 × 12,852.48
  4. Step 4: Simplify right side
    49,787.52x = 959,864,334.34
  5. Step 5: Solve for x
    x = 959,864,334.34/49,787.52
  6. Step 6: Final answer
    x = 19,279.22

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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.