Home / 106,708.12-159,934.34-49,705.18

Finding the Fourth Proportional to 106,708.12, 159,934.34 and 49,705.18

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Solution

The fourth proportional to 106,708.12, 159,934.34 and 49,705.18 is: 74,498.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,708.12 : 159,934.34 = 49,705.18 : x
  2. Step 2: Convert to fraction form
    106,708.12/159,934.34 = 49,705.18/x
  3. Step 3: Cross multiply
    106,708.12x = 159,934.34 × 49,705.18
  4. Step 4: Simplify right side
    106,708.12x = 7,949,565,157.88
  5. Step 5: Solve for x
    x = 7,949,565,157.88/106,708.12
  6. Step 6: Final answer
    x = 74,498.22

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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.