Home / 106,019.42-159,029.19-49,818.29

Finding the Fourth Proportional to 106,019.42, 159,029.19 and 49,818.29

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Solution

The fourth proportional to 106,019.42, 159,029.19 and 49,818.29 is: 74,727.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,019.42 : 159,029.19 = 49,818.29 : x
  2. Step 2: Convert to fraction form
    106,019.42/159,029.19 = 49,818.29/x
  3. Step 3: Cross multiply
    106,019.42x = 159,029.19 × 49,818.29
  4. Step 4: Simplify right side
    106,019.42x = 7,922,561,510.74
  5. Step 5: Solve for x
    x = 7,922,561,510.74/106,019.42
  6. Step 6: Final answer
    x = 74,727.46

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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.