Home / 53,003.12-73,139.64-31,794.08

Finding the Fourth Proportional to 53,003.12, 73,139.64 and 31,794.08

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Solution

The fourth proportional to 53,003.12, 73,139.64 and 31,794.08 is: 43,873.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,003.12 : 73,139.64 = 31,794.08 : x
  2. Step 2: Convert to fraction form
    53,003.12/73,139.64 = 31,794.08/x
  3. Step 3: Cross multiply
    53,003.12x = 73,139.64 × 31,794.08
  4. Step 4: Simplify right side
    53,003.12x = 2,325,407,565.33
  5. Step 5: Solve for x
    x = 2,325,407,565.33/53,003.12
  6. Step 6: Final answer
    x = 43,873.03

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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.