Home / 119,579.16-179,379.05-30,831.91

Finding the Fourth Proportional to 119,579.16, 179,379.05 and 30,831.91

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Solution

The fourth proportional to 119,579.16, 179,379.05 and 30,831.91 is: 46,250.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,579.16 : 179,379.05 = 30,831.91 : x
  2. Step 2: Convert to fraction form
    119,579.16/179,379.05 = 30,831.91/x
  3. Step 3: Cross multiply
    119,579.16x = 179,379.05 × 30,831.91
  4. Step 4: Simplify right side
    119,579.16x = 5,530,598,725.49
  5. Step 5: Solve for x
    x = 5,530,598,725.49/119,579.16
  6. Step 6: Final answer
    x = 46,250.52

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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.