Home / 106,448.70-159,778.10-56,528.65

Finding the Fourth Proportional to 106,448.70, 159,778.10 and 56,528.65

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Solution

The fourth proportional to 106,448.70, 159,778.10 and 56,528.65 is: 84,848.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,448.70 : 159,778.10 = 56,528.65 : x
  2. Step 2: Convert to fraction form
    106,448.70/159,778.10 = 56,528.65/x
  3. Step 3: Cross multiply
    106,448.70x = 159,778.10 × 56,528.65
  4. Step 4: Simplify right side
    106,448.70x = 9,032,040,717.26
  5. Step 5: Solve for x
    x = 9,032,040,717.26/106,448.70
  6. Step 6: Final answer
    x = 84,848.76

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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.