Home / 111,079.86-166,410.54-54,854.16

Finding the Fourth Proportional to 111,079.86, 166,410.54 and 54,854.16

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Solution

The fourth proportional to 111,079.86, 166,410.54 and 54,854.16 is: 82,177.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,079.86 : 166,410.54 = 54,854.16 : x
  2. Step 2: Convert to fraction form
    111,079.86/166,410.54 = 54,854.16/x
  3. Step 3: Cross multiply
    111,079.86x = 166,410.54 × 54,854.16
  4. Step 4: Simplify right side
    111,079.86x = 9,128,310,386.85
  5. Step 5: Solve for x
    x = 9,128,310,386.85/111,079.86
  6. Step 6: Final answer
    x = 82,177.91

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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.