Home / 106,758.89-147,321.51-59,009.39

Finding the Fourth Proportional to 106,758.89, 147,321.51 and 59,009.39

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Solution

The fourth proportional to 106,758.89, 147,321.51 and 59,009.39 is: 81,429.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,758.89 : 147,321.51 = 59,009.39 : x
  2. Step 2: Convert to fraction form
    106,758.89/147,321.51 = 59,009.39/x
  3. Step 3: Cross multiply
    106,758.89x = 147,321.51 × 59,009.39
  4. Step 4: Simplify right side
    106,758.89x = 8,693,352,438.98
  5. Step 5: Solve for x
    x = 8,693,352,438.98/106,758.89
  6. Step 6: Final answer
    x = 81,429.78

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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.