Home / 119,890.44-179,871.66-56,758.68

Finding the Fourth Proportional to 119,890.44, 179,871.66 and 56,758.68

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Solution

The fourth proportional to 119,890.44, 179,871.66 and 56,758.68 is: 85,155.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,890.44 : 179,871.66 = 56,758.68 : x
  2. Step 2: Convert to fraction form
    119,890.44/179,871.66 = 56,758.68/x
  3. Step 3: Cross multiply
    119,890.44x = 179,871.66 × 56,758.68
  4. Step 4: Simplify right side
    119,890.44x = 10,209,277,991.01
  5. Step 5: Solve for x
    x = 10,209,277,991.01/119,890.44
  6. Step 6: Final answer
    x = 85,155.06

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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.