Home / 106,587.07-159,821.73-43,390.93

Finding the Fourth Proportional to 106,587.07, 159,821.73 and 43,390.93

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Solution

The fourth proportional to 106,587.07, 159,821.73 and 43,390.93 is: 65,062.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,587.07 : 159,821.73 = 43,390.93 : x
  2. Step 2: Convert to fraction form
    106,587.07/159,821.73 = 43,390.93/x
  3. Step 3: Cross multiply
    106,587.07x = 159,821.73 × 43,390.93
  4. Step 4: Simplify right side
    106,587.07x = 6,934,813,498.91
  5. Step 5: Solve for x
    x = 6,934,813,498.91/106,587.07
  6. Step 6: Final answer
    x = 65,062.43

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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.