Home / 111,717.66-154,173.36-60,733.81

Finding the Fourth Proportional to 111,717.66, 154,173.36 and 60,733.81

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Solution

The fourth proportional to 111,717.66, 154,173.36 and 60,733.81 is: 83,814.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,717.66 : 154,173.36 = 60,733.81 : x
  2. Step 2: Convert to fraction form
    111,717.66/154,173.36 = 60,733.81/x
  3. Step 3: Cross multiply
    111,717.66x = 154,173.36 × 60,733.81
  4. Step 4: Simplify right side
    111,717.66x = 9,363,535,553.30
  5. Step 5: Solve for x
    x = 9,363,535,553.30/111,717.66
  6. Step 6: Final answer
    x = 83,814.28

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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.