Home / 110,917.52-153,062.76-63,177.68

Finding the Fourth Proportional to 110,917.52, 153,062.76 and 63,177.68

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Solution

The fourth proportional to 110,917.52, 153,062.76 and 63,177.68 is: 87,183.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,917.52 : 153,062.76 = 63,177.68 : x
  2. Step 2: Convert to fraction form
    110,917.52/153,062.76 = 63,177.68/x
  3. Step 3: Cross multiply
    110,917.52x = 153,062.76 × 63,177.68
  4. Step 4: Simplify right side
    110,917.52x = 9,670,150,071.20
  5. Step 5: Solve for x
    x = 9,670,150,071.20/110,917.52
  6. Step 6: Final answer
    x = 87,183.25

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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.