Home / 117,787.80-162,551.44-67,496.52

Finding the Fourth Proportional to 117,787.80, 162,551.44 and 67,496.52

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Solution

The fourth proportional to 117,787.80, 162,551.44 and 67,496.52 is: 93,147.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,787.80 : 162,551.44 = 67,496.52 : x
  2. Step 2: Convert to fraction form
    117,787.80/162,551.44 = 67,496.52/x
  3. Step 3: Cross multiply
    117,787.80x = 162,551.44 × 67,496.52
  4. Step 4: Simplify right side
    117,787.80x = 10,971,656,520.99
  5. Step 5: Solve for x
    x = 10,971,656,520.99/117,787.80
  6. Step 6: Final answer
    x = 93,147.65

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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.