Home / 69,660.64-96,137.67-39,451.29

Finding the Fourth Proportional to 69,660.64, 96,137.67 and 39,451.29

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Solution

The fourth proportional to 69,660.64, 96,137.67 and 39,451.29 is: 54,446.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,660.64 : 96,137.67 = 39,451.29 : x
  2. Step 2: Convert to fraction form
    69,660.64/96,137.67 = 39,451.29/x
  3. Step 3: Cross multiply
    69,660.64x = 96,137.67 × 39,451.29
  4. Step 4: Simplify right side
    69,660.64x = 3,792,755,099.09
  5. Step 5: Solve for x
    x = 3,792,755,099.09/69,660.64
  6. Step 6: Final answer
    x = 54,446.17

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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.