Home / 117,623.48-162,327.66-67,321.40

Finding the Fourth Proportional to 117,623.48, 162,327.66 and 67,321.40

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Solution

The fourth proportional to 117,623.48, 162,327.66 and 67,321.40 is: 92,907.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,623.48 : 162,327.66 = 67,321.40 : x
  2. Step 2: Convert to fraction form
    117,623.48/162,327.66 = 67,321.40/x
  3. Step 3: Cross multiply
    117,623.48x = 162,327.66 × 67,321.40
  4. Step 4: Simplify right side
    117,623.48x = 10,928,125,329.92
  5. Step 5: Solve for x
    x = 10,928,125,329.92/117,623.48
  6. Step 6: Final answer
    x = 92,907.69

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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.