Home / 53,181.09-73,388.43-29,307.76

Finding the Fourth Proportional to 53,181.09, 73,388.43 and 29,307.76

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Solution

The fourth proportional to 53,181.09, 73,388.43 and 29,307.76 is: 40,443.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,181.09 : 73,388.43 = 29,307.76 : x
  2. Step 2: Convert to fraction form
    53,181.09/73,388.43 = 29,307.76/x
  3. Step 3: Cross multiply
    53,181.09x = 73,388.43 × 29,307.76
  4. Step 4: Simplify right side
    53,181.09x = 2,150,850,309.75
  5. Step 5: Solve for x
    x = 2,150,850,309.75/53,181.09
  6. Step 6: Final answer
    x = 40,443.89

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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.