Home / 110,945.09-153,066.83-63,164.61

Finding the Fourth Proportional to 110,945.09, 153,066.83 and 63,164.61

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Solution

The fourth proportional to 110,945.09, 153,066.83 and 63,164.61 is: 87,145.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,945.09 : 153,066.83 = 63,164.61 : x
  2. Step 2: Convert to fraction form
    110,945.09/153,066.83 = 63,164.61/x
  3. Step 3: Cross multiply
    110,945.09x = 153,066.83 × 63,164.61
  4. Step 4: Simplify right side
    110,945.09x = 9,668,406,305.06
  5. Step 5: Solve for x
    x = 9,668,406,305.06/110,945.09
  6. Step 6: Final answer
    x = 87,145.87

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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.