Home / 106,433.51-159,542.46-69,017.31

Finding the Fourth Proportional to 106,433.51, 159,542.46 and 69,017.31

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Solution

The fourth proportional to 106,433.51, 159,542.46 and 69,017.31 is: 103,456.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,433.51 : 159,542.46 = 69,017.31 : x
  2. Step 2: Convert to fraction form
    106,433.51/159,542.46 = 69,017.31/x
  3. Step 3: Cross multiply
    106,433.51x = 159,542.46 × 69,017.31
  4. Step 4: Simplify right side
    106,433.51x = 11,011,191,419.98
  5. Step 5: Solve for x
    x = 11,011,191,419.98/106,433.51
  6. Step 6: Final answer
    x = 103,456.06

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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.