Home / 52,980.89-73,081.20-31,456.03

Finding the Fourth Proportional to 52,980.89, 73,081.20 and 31,456.03

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Solution

The fourth proportional to 52,980.89, 73,081.20 and 31,456.03 is: 43,390.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,980.89 : 73,081.20 = 31,456.03 : x
  2. Step 2: Convert to fraction form
    52,980.89/73,081.20 = 31,456.03/x
  3. Step 3: Cross multiply
    52,980.89x = 73,081.20 × 31,456.03
  4. Step 4: Simplify right side
    52,980.89x = 2,298,844,419.64
  5. Step 5: Solve for x
    x = 2,298,844,419.64/52,980.89
  6. Step 6: Final answer
    x = 43,390.07

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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.