Home / 69,972.79-96,561.71-38,141.01

Finding the Fourth Proportional to 69,972.79, 96,561.71 and 38,141.01

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Solution

The fourth proportional to 69,972.79, 96,561.71 and 38,141.01 is: 52,634.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,972.79 : 96,561.71 = 38,141.01 : x
  2. Step 2: Convert to fraction form
    69,972.79/96,561.71 = 38,141.01/x
  3. Step 3: Cross multiply
    69,972.79x = 96,561.71 × 38,141.01
  4. Step 4: Simplify right side
    69,972.79x = 3,682,961,146.73
  5. Step 5: Solve for x
    x = 3,682,961,146.73/69,972.79
  6. Step 6: Final answer
    x = 52,634.19

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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.