Home / 88,816.25-133,252.82-31,851.78

Finding the Fourth Proportional to 88,816.25, 133,252.82 and 31,851.78

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Solution

The fourth proportional to 88,816.25, 133,252.82 and 31,851.78 is: 47,787.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,816.25 : 133,252.82 = 31,851.78 : x
  2. Step 2: Convert to fraction form
    88,816.25/133,252.82 = 31,851.78/x
  3. Step 3: Cross multiply
    88,816.25x = 133,252.82 × 31,851.78
  4. Step 4: Simplify right side
    88,816.25x = 4,244,338,967.51
  5. Step 5: Solve for x
    x = 4,244,338,967.51/88,816.25
  6. Step 6: Final answer
    x = 47,787.86

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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.