Home / 117,723.84-162,493.92-67,456.32

Finding the Fourth Proportional to 117,723.84, 162,493.92 and 67,456.32

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Solution

The fourth proportional to 117,723.84, 162,493.92 and 67,456.32 is: 93,109.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,723.84 : 162,493.92 = 67,456.32 : x
  2. Step 2: Convert to fraction form
    117,723.84/162,493.92 = 67,456.32/x
  3. Step 3: Cross multiply
    117,723.84x = 162,493.92 × 67,456.32
  4. Step 4: Simplify right side
    117,723.84x = 10,961,241,865.57
  5. Step 5: Solve for x
    x = 10,961,241,865.57/117,723.84
  6. Step 6: Final answer
    x = 93,109.79

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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.