Home / 86,787.60-119,747.44-52,813.84

Finding the Fourth Proportional to 86,787.60, 119,747.44 and 52,813.84

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Solution

The fourth proportional to 86,787.60, 119,747.44 and 52,813.84 is: 72,871.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,787.60 : 119,747.44 = 52,813.84 : x
  2. Step 2: Convert to fraction form
    86,787.60/119,747.44 = 52,813.84/x
  3. Step 3: Cross multiply
    86,787.60x = 119,747.44 × 52,813.84
  4. Step 4: Simplify right side
    86,787.60x = 6,324,322,136.57
  5. Step 5: Solve for x
    x = 6,324,322,136.57/86,787.60
  6. Step 6: Final answer
    x = 72,871.26

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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.