Home / 119,831.01-165,381.44-68,843.65

Finding the Fourth Proportional to 119,831.01, 165,381.44 and 68,843.65

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Solution

The fourth proportional to 119,831.01, 165,381.44 and 68,843.65 is: 95,012.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,831.01 : 165,381.44 = 68,843.65 : x
  2. Step 2: Convert to fraction form
    119,831.01/165,381.44 = 68,843.65/x
  3. Step 3: Cross multiply
    119,831.01x = 165,381.44 × 68,843.65
  4. Step 4: Simplify right side
    119,831.01x = 11,385,461,971.86
  5. Step 5: Solve for x
    x = 11,385,461,971.86/119,831.01
  6. Step 6: Final answer
    x = 95,012.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.