Home / 117,890.22-162,670.23-67,579.50

Finding the Fourth Proportional to 117,890.22, 162,670.23 and 67,579.50

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Solution

The fourth proportional to 117,890.22, 162,670.23 and 67,579.50 is: 93,249.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,890.22 : 162,670.23 = 67,579.50 : x
  2. Step 2: Convert to fraction form
    117,890.22/162,670.23 = 67,579.50/x
  3. Step 3: Cross multiply
    117,890.22x = 162,670.23 × 67,579.50
  4. Step 4: Simplify right side
    117,890.22x = 10,993,172,808.29
  5. Step 5: Solve for x
    x = 10,993,172,808.29/117,890.22
  6. Step 6: Final answer
    x = 93,249.23

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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.