Home / 117,787.26-162,599.49-77,522.16

Finding the Fourth Proportional to 117,787.26, 162,599.49 and 77,522.16

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Solution

The fourth proportional to 117,787.26, 162,599.49 and 77,522.16 is: 107,015.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,787.26 : 162,599.49 = 77,522.16 : x
  2. Step 2: Convert to fraction form
    117,787.26/162,599.49 = 77,522.16/x
  3. Step 3: Cross multiply
    117,787.26x = 162,599.49 × 77,522.16
  4. Step 4: Simplify right side
    117,787.26x = 12,605,063,679.70
  5. Step 5: Solve for x
    x = 12,605,063,679.70/117,787.26
  6. Step 6: Final answer
    x = 107,015.51

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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.