Home / 117,766.85-162,519-64,052.25

Finding the Fourth Proportional to 117,766.85, 162,519 and 64,052.25

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Solution

The fourth proportional to 117,766.85, 162,519 and 64,052.25 is: 88,392.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,766.85 : 162,519 = 64,052.25 : x
  2. Step 2: Convert to fraction form
    117,766.85/162,519 = 64,052.25/x
  3. Step 3: Cross multiply
    117,766.85x = 162,519 × 64,052.25
  4. Step 4: Simplify right side
    117,766.85x = 10,409,707,617.75
  5. Step 5: Solve for x
    x = 10,409,707,617.75/117,766.85
  6. Step 6: Final answer
    x = 88,392.51

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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.