Home / 106,019.40-159,029.19-49,818.30

Finding the Fourth Proportional to 106,019.40, 159,029.19 and 49,818.30

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Solution

The fourth proportional to 106,019.40, 159,029.19 and 49,818.30 is: 74,727.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,019.40 : 159,029.19 = 49,818.30 : x
  2. Step 2: Convert to fraction form
    106,019.40/159,029.19 = 49,818.30/x
  3. Step 3: Cross multiply
    106,019.40x = 159,029.19 × 49,818.30
  4. Step 4: Simplify right side
    106,019.40x = 7,922,563,896.18
  5. Step 5: Solve for x
    x = 7,922,563,896.18/106,019.40
  6. Step 6: Final answer
    x = 74,727.49

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1.5x scale

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.