Home / 117,787.12-162,550.56-67,495.84

Finding the Fourth Proportional to 117,787.12, 162,550.56 and 67,495.84

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Solution

The fourth proportional to 117,787.12, 162,550.56 and 67,495.84 is: 93,146.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,787.12 : 162,550.56 = 67,495.84 : x
  2. Step 2: Convert to fraction form
    117,787.12/162,550.56 = 67,495.84/x
  3. Step 3: Cross multiply
    117,787.12x = 162,550.56 × 67,495.84
  4. Step 4: Simplify right side
    117,787.12x = 10,971,486,589.67
  5. Step 5: Solve for x
    x = 10,971,486,589.67/117,787.12
  6. Step 6: Final answer
    x = 93,146.74

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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.