Home / 117,741.92-162,488.12-67,450.64

Finding the Fourth Proportional to 117,741.92, 162,488.12 and 67,450.64

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Solution

The fourth proportional to 117,741.92, 162,488.12 and 67,450.64 is: 93,084.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,741.92 : 162,488.12 = 67,450.64 : x
  2. Step 2: Convert to fraction form
    117,741.92/162,488.12 = 67,450.64/x
  3. Step 3: Cross multiply
    117,741.92x = 162,488.12 × 67,450.64
  4. Step 4: Simplify right side
    117,741.92x = 10,959,927,651.91
  5. Step 5: Solve for x
    x = 10,959,927,651.91/117,741.92
  6. Step 6: Final answer
    x = 93,084.33

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1.5x scale

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.