Home / 106,209.92-146,573.56-57,809.51

Finding the Fourth Proportional to 106,209.92, 146,573.56 and 57,809.51

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Solution

The fourth proportional to 106,209.92, 146,573.56 and 57,809.51 is: 79,779.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,209.92 : 146,573.56 = 57,809.51 : x
  2. Step 2: Convert to fraction form
    106,209.92/146,573.56 = 57,809.51/x
  3. Step 3: Cross multiply
    106,209.92x = 146,573.56 × 57,809.51
  4. Step 4: Simplify right side
    106,209.92x = 8,473,344,843.86
  5. Step 5: Solve for x
    x = 8,473,344,843.86/106,209.92
  6. Step 6: Final answer
    x = 79,779.22

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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.