Home / 96,016.91-143,664.50-90,954

Finding the Fourth Proportional to 96,016.91, 143,664.50 and 90,954

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Solution

The fourth proportional to 96,016.91, 143,664.50 and 90,954 is: 136,089.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,016.91 : 143,664.50 = 90,954 : x
  2. Step 2: Convert to fraction form
    96,016.91/143,664.50 = 90,954/x
  3. Step 3: Cross multiply
    96,016.91x = 143,664.50 × 90,954
  4. Step 4: Simplify right side
    96,016.91x = 13,066,861,160.39
  5. Step 5: Solve for x
    x = 13,066,861,160.39/96,016.91
  6. Step 6: Final answer
    x = 136,089.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.