Home / 53,593.89-73,942.53-30,929.88

Finding the Fourth Proportional to 53,593.89, 73,942.53 and 30,929.88

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Solution

The fourth proportional to 53,593.89, 73,942.53 and 30,929.88 is: 42,673.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,593.89 : 73,942.53 = 30,929.88 : x
  2. Step 2: Convert to fraction form
    53,593.89/73,942.53 = 30,929.88/x
  3. Step 3: Cross multiply
    53,593.89x = 73,942.53 × 30,929.88
  4. Step 4: Simplify right side
    53,593.89x = 2,287,033,579.80
  5. Step 5: Solve for x
    x = 2,287,033,579.80/53,593.89
  6. Step 6: Final answer
    x = 42,673.40

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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.